als ias scholarship test question paper with solution

Q1. With reference to the Harappan Civilization, consider the following statements:

1. Most Harappan settlements were located along river valleys and their tributaries.
2. The Harappans had knowledge of standardized weights and measures.
3. Iron was extensively used by the Harappans.

Which of the statements given above is/are correct?

A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3

Answer: A

Solution: Harappan sites were closely associated with river systems, and standardized weights were an important feature of their trade system. Iron was not used extensively during the mature Harappan phase; copper and bronze were the principal metals.

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Q2. Which one of the following best explains why the Indus Valley Civilization is often described as an urban civilization?

A) It had large armies and powerful kings.
B) It had planned settlements, drainage systems and specialized craft production.
C) It depended entirely on long-distance trade.
D) It had a written constitution.

Answer: B

Solution: Urbanism in the Harappan Civilization is reflected in planned cities, streets, drainage, craft specialization, storage facilities and organized settlements.

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Q3. Consider the following pairs:

Harappan Site	Feature
1. Lothal	Dockyard-like structure
2. Kalibangan	Evidence of ploughed field
3. Dholavira	Sophisticated water-management system

Which of the pairs given above are correctly matched?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: Lothal is associated with a dockyard-like structure, Kalibangan with evidence of a ploughed field, and Dholavira with elaborate reservoirs and water-management structures.

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Q4. In the context of the Vedic period, the term “Sabha” and “Samiti” are associated with:

A) Religious sacrifices
B) Political and social assemblies
C) Tax collection
D) Military training

Answer: B

Solution: Sabha and Samiti were important assemblies mentioned in Vedic literature. They indicate the existence of collective institutions in early Vedic society.

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Q5. Which of the following changes is generally associated with the later Vedic period?

A) Decline of agriculture
B) Greater importance of iron technology and agriculture
C) Complete disappearance of settlements
D) Decline of territorial kingdoms

Answer: B

Solution: Later Vedic society witnessed expansion into the Ganga-Yamuna plains, increased agricultural activity and greater use of iron technology.

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Q6. Consider the following statements regarding Buddhism:

1. Buddhism emphasized the importance of the Four Noble Truths.
2. The Eightfold Path is associated with the cessation of suffering.
3. Buddhism rejected the idea of ethical conduct.

Which of the statements given above is/are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: B

Solution: Buddhism is based on the Four Noble Truths and the Eightfold Path. Ethical conduct is an important component of Buddhist teaching, so statement 3 is incorrect.

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Q7. The concept of “Middle Path” in Buddhism primarily refers to:

A) Avoiding both extreme luxury and extreme self-mortification
B) Following only political authority
C) Rejecting meditation
D) Supporting hereditary monarchy

Answer: A

Solution: The Middle Path avoids the extremes of excessive sensual pleasure and severe self-mortification.

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Q8. Ashoka’s policy of Dhamma primarily aimed at:

A) Establishing Buddhism as the compulsory state religion
B) Promoting ethical conduct, tolerance and social harmony
C) Expanding the Mauryan Empire through warfare
D) Abolishing all religious practices

Answer: B

Solution: Ashoka’s Dhamma emphasized ethical behaviour, respect for elders, compassion, tolerance and harmony among different groups.

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Q9. Which one of the following was a major feature of the Mauryan administration?

A) Complete absence of taxation
B) A relatively centralized administrative structure
C) Rule entirely through independent village republics
D) Absence of officials

Answer: B

Solution: The Mauryan Empire had a comparatively centralized administration with officials, taxation, provincial administration and an organized state structure.

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Q10. The Gupta period is often associated with significant developments in:

A) Mathematics, astronomy, literature and art
B) Industrial capitalism
C) Modern parliamentary democracy
D) Steam-powered technology

Answer: A

Solution: The Gupta period witnessed important developments in mathematics, astronomy, Sanskrit literature, sculpture, architecture and other cultural fields.

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Geography

Q11. Consider the following statements about the Earth’s interior:

1. The crust is the outermost solid layer.
2. The mantle lies between the crust and the core.
3. The core is composed entirely of silicate rocks.

Which of the statements given above is/are correct?

A) 1 and 2 only
B) 2 only
C) 1 and 3 only
D) 1, 2 and 3

Answer: A

Solution: The crust is the outermost layer and the mantle lies beneath it. The core is predominantly composed of iron and nickel, not silicate rocks.

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Q12. Why are earthquakes more frequent along plate boundaries?

A) Because atmospheric pressure is maximum there
B) Because movement and interaction of tectonic plates generate stress
C) Because rainfall is highest there
D) Because rivers erode rocks there

Answer: B

Solution: Plate movement causes accumulation and sudden release of stress along faults, producing earthquakes.

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Q13. Which of the following is an example of a convergent plate boundary?

A) Indian Plate and Eurasian Plate
B) Two plates moving away from each other
C) Plates moving parallel without interaction
D) A plate moving over a stationary continent without deformation

Answer: A

Solution: The collision of the Indian Plate with the Eurasian Plate has contributed to the formation and continuing uplift of the Himalayas.

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Q14. The Himalayas are best described as:

A) Block mountains
B) Fold mountains
C) Volcanic mountains
D) Residual mountains

Answer: B

Solution: The Himalayas are young fold mountains formed mainly due to the collision of the Indian and Eurasian plates.

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Q15. Which factor primarily explains the variation of temperature from the equator towards the poles?

A) Longitude
B) Latitude
C) Ocean salinity
D) Atmospheric pressure alone

Answer: B

Solution: Latitude influences the angle at which solar radiation reaches Earth’s surface. Higher latitudes generally receive less direct solar energy.

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Q16. Why does the temperature generally decrease with increasing altitude in the troposphere?

A) The Sun is farther from high mountains
B) The atmosphere is heated largely from Earth’s surface
C) Oxygen disappears at higher altitude
D) Gravity becomes zero

Answer: B

Solution: Earth’s surface absorbs solar energy and heats the air above it. As altitude increases, air pressure and temperature generally decrease in the troposphere.

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Q17. Which of the following is most directly responsible for the Indian summer monsoon?

A) Differential heating of land and sea
B) Rotation of the Moon
C) Earth’s magnetic field
D) Ocean tides alone

Answer: A

Solution: Differential heating creates seasonal pressure differences between land and sea, contributing to the reversal of winds characteristic of the monsoon system.

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Q18. Western disturbances are particularly important for the winter rainfall of:

A) Tamil Nadu
B) North-western India
C) Kerala
D) Odisha

Answer: B

Solution: Western disturbances originate in the Mediterranean region and bring winter precipitation to north-western India, which is important for rabi crops.

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Q19. Which soil is generally associated with high moisture-retention capacity and is suitable for cotton cultivation?

A) Laterite soil
B) Black soil
C) Desert soil
D) Mountain soil

Answer: B

Solution: Black soil has high clay content and good moisture-retention capacity, making it particularly suitable for cotton.

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Q20. Laterite soils are generally formed under conditions of:

A) High temperature and heavy rainfall
B) Very low temperature and snowfall
C) Permanent drought
D) Glacial deposition

Answer: A

Solution: Intense leaching under high temperature and heavy rainfall contributes to laterite soil formation.

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Indian Polity

Q21. The Constitution of India describes India as a:

A) Confederation of States
B) Union of States
C) Federation of Provinces only
D) Unitary State without federal features

Answer: B

Solution: Article 1 describes India as a “Union of States.” The Constitution combines federal and unitary features.

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Q22. Which of the following is NOT a Fundamental Right under the Constitution at present?

A) Right to Equality
B) Right to Freedom
C) Right to Property
D) Right against Exploitation

Answer: C

Solution: The Right to Property is no longer a Fundamental Right. It is protected as a constitutional/legal right under Article 300A.

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Q23. The Fundamental Duties were added to the Constitution through the:

A) 24th Constitutional Amendment
B) 42nd Constitutional Amendment
C) 44th Constitutional Amendment
D) 73rd Constitutional Amendment

Answer: B

Solution: Fundamental Duties were introduced by the 42nd Constitutional Amendment Act, 1976.

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Q24. Which constitutional provision enables citizens to directly approach the Supreme Court for enforcement of Fundamental Rights?

A) Article 14
B) Article 19
C) Article 32
D) Article 51A

Answer: C

Solution: Article 32 provides the right to constitutional remedies for enforcement of Fundamental Rights.

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Q25. The Directive Principles of State Policy are:

A) Enforceable by courts
B) Non-justiciable but fundamental in governance
C) Applicable only during emergencies
D) Applicable only to local governments

Answer: B

Solution: DPSPs cannot normally be enforced by courts, but Article 37 states that they are fundamental in the governance of the country.

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Q26. Which institution is primarily responsible for interpreting the Constitution?

A) Election Commission
B) Supreme Court and High Courts
C) Finance Commission
D) UPSC

Answer: B

Solution: Constitutional interpretation is a major judicial function of the Supreme Court and High Courts.

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Q27. The President of India is elected by:

A) Direct vote of all citizens
B) Elected members of Parliament and elected members of State Legislative Assemblies, with specified provisions for certain UTs
C) Members of Lok Sabha only
D) Governors of States

Answer: B

Solution: The President is elected indirectly through an electoral college consisting of elected representatives as prescribed by the Constitution.

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Q28. Which of the following best describes the parliamentary system in India?

A) Executive is completely independent of legislature
B) Council of Ministers is collectively responsible to Lok Sabha
C) President exercises all executive powers personally
D) Judiciary controls the executive

Answer: B

Solution: In India’s parliamentary system, the Council of Ministers is collectively responsible to the Lok Sabha.

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Q29. A Money Bill can be introduced in:

A) Either House of Parliament
B) Lok Sabha only
C) Rajya Sabha only
D) Supreme Court

Answer: B

Solution: A Money Bill can be introduced only in the Lok Sabha and requires the President’s prior recommendation.

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Q30. The Rajya Sabha is called a permanent House because:

A) Its members have lifetime tenure
B) It cannot be dissolved as a whole
C) It has no elections
D) Its members are nominated permanently

Answer: B

Solution: Rajya Sabha is not subject to dissolution. One-third of its members retire every two years.

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Economy

Q31. Which of the following best represents the basic economic problem?

A) Unlimited resources and unlimited wants
B) Scarce resources and unlimited wants
C) Unlimited resources and limited wants
D) Absence of wants

Answer: B

Solution: Economics deals fundamentally with the allocation of scarce resources among competing wants.

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Q32. Opportunity cost refers to:

A) Total money spent on a product
B) Value of the next best alternative forgone
C) Cost of production only
D) Government expenditure

Answer: B

Solution: When a choice is made, the value of the next best alternative that is sacrificed is the opportunity cost.

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Q33. GDP measures:

A) Only agricultural production
B) Value of final goods and services produced within a country’s territory during a specified period
C) Wealth owned by citizens anywhere in the world
D) Government revenue only

Answer: B

Solution: GDP measures the market value of final goods and services produced within the domestic territory over a specified period.

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Q34. Inflation generally reduces:

A) Purchasing power of money
B) Population
C) Physical capital automatically
D) Land area

Answer: A

Solution: When the general price level rises, each unit of money purchases fewer goods and services, reducing purchasing power.

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Q35. Which of the following is a monetary policy instrument?

A) Repo rate
B) Income tax
C) Government salary expenditure
D) Customs duty

Answer: A

Solution: The repo rate is an important monetary policy instrument used by the RBI.

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Q36. Fiscal deficit broadly indicates:

A) Excess of government expenditure over government receipts, excluding certain borrowings in the standard definition
B) Excess of exports over imports
C) Fall in money supply
D) Increase in household savings

Answer: A

Solution: Fiscal deficit represents the government’s borrowing requirement arising from the gap between expenditure and receipts, excluding borrowings.

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Q37. Which sector includes agriculture, forestry and fishing?

A) Primary sector
B) Secondary sector
C) Tertiary sector
D) Quaternary sector

Answer: A

Solution: Primary activities directly use natural resources and include agriculture, forestry, fishing and mining.

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Q38. Human capital formation primarily refers to investment in:

A) Buildings only
B) Education, skills and health
C) Gold reserves
D) Foreign currency

Answer: B

Solution: Education, training, skills and health improve the productivity and capabilities of people and contribute to human capital.

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Q39. Which of the following is generally considered a public good?

A) National defence
B) Private car
C) Personal mobile phone
D) Restaurant meal

Answer: A

Solution: National defence has characteristics of non-excludability and non-rivalry and is a standard example of a public good.

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Q40. The primary role of a central bank includes:

A) Producing all consumer goods
B) Managing monetary policy and regulating aspects of the banking system
C) Running private schools
D) Conducting agricultural operations

Answer: B

Solution: A central bank manages monetary policy, regulates the banking/financial system in its jurisdiction and performs several other monetary functions.

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General Science & Environment

Q41. Which statement about DNA is correct?

A) It is found only in blood
B) It carries hereditary information
C) It is a type of carbohydrate
D) It cannot replicate

Answer: B

Solution: DNA is the principal hereditary material in most organisms and carries genetic information.

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Q42. Photosynthesis converts:

A) Chemical energy into nuclear energy
B) Light energy into chemical energy
C) Heat energy into sound energy
D) Mechanical energy into electrical energy

Answer: B

Solution: During photosynthesis, plants capture light energy and store it as chemical energy in organic molecules such as glucose.

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Q43. Which gas is most directly associated with the greenhouse effect among the following?

A) Carbon dioxide
B) Helium
C) Neon
D) Argon

Answer: A

Solution: Carbon dioxide is a major greenhouse gas. Other greenhouse gases include methane, nitrous oxide and water vapour.

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Q44. The ozone layer is important because it absorbs a significant portion of:

A) Infrared radiation
B) Ultraviolet radiation
C) Radio waves
D) Visible light

Answer: B

Solution: Stratospheric ozone absorbs much of the Sun’s harmful ultraviolet radiation.

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Q45. Biodiversity refers to:

A) Only the number of forests
B) Variety of life at genetic, species and ecosystem levels
C) Only the number of animal species
D) Only plant diversity

Answer: B

Solution: Biodiversity includes diversity within species, between species and among ecosystems.

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Q46. Which of the following is a renewable source of energy?

A) Coal
B) Petroleum
C) Solar energy
D) Natural gas

Answer: C

Solution: Solar energy is continuously replenished by natural processes, unlike fossil fuels.

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Q47. A food chain primarily represents:

A) Flow of energy through organisms
B) Movement of tectonic plates
C) Water circulation only
D) Atmospheric pressure

Answer: A

Solution: A food chain represents feeding relationships and the transfer of energy from one trophic level to another.

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Q48. Why are decomposers important in an ecosystem?

A) They stop nutrient cycling
B) They convert dead organic matter into simpler substances and help recycle nutrients
C) They produce all sunlight
D) They eliminate producers

Answer: B

Solution: Decomposers such as bacteria and fungi break down dead matter and return nutrients to the ecosystem.

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Q49. Which of the following best describes natural selection?

A) All organisms consciously change their traits
B) Individuals with advantageous heritable variations tend to leave more offspring
C) Acquired characteristics are always inherited
D) Evolution occurs without variation

Answer: B

Solution: Natural selection favours heritable variations that improve survival or reproductive success in a particular environment.

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Q50. Consider the following statements about ecosystems:

1. Energy generally flows through an ecosystem in one direction.
2. Nutrients can be recycled within ecosystems.
3. Producers occupy the first trophic level.

Which of the statements given above are correct?

A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3

Answer: D

Solution: Energy enters mainly through producers and flows through trophic levels, while nutrients are recycled. Producers form the first trophic level.

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Q51.

Which of the following was a major characteristic of the Neolithic period?

A) Exclusive dependence on hunting
B) Beginning of agriculture and domestication of animals
C) Widespread use of iron
D) Development of large empires

Answer: B

Solution: The Neolithic period is associated with food production, agriculture, domestication of animals, settled life and the development of polished stone tools.

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Q52.

Consider the following:

1. Mehrgarh is associated with early agricultural communities.
2. It is located in the Indian subcontinent.
3. Evidence of domesticated animals has been found there.

Which of the statements given above are correct?

A) 1 only
B) 1 and 2 only
C) 1 and 3 only
D) 1, 2 and 3

Answer: D

Solution: Mehrgarh, located in present-day Pakistan, provides important evidence of early farming and animal domestication in the northwestern subcontinent.

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Q53.

The transition from hunting-gathering to agriculture had which of the following major consequences?

A) Complete disappearance of settlements
B) Greater possibility of permanent settlements
C) Elimination of social differences
D) End of tool-making

Answer: B

Solution: Agriculture enabled communities to produce food at fixed locations, encouraging settled life, population growth and eventually more complex societies.

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Q54.

Which of the following materials was most characteristic of the Chalcolithic phase?

A) Iron
B) Copper and stone
C) Aluminium
D) Steel

Answer: B

Solution: “Chalcolithic” literally means Copper-Stone Age, reflecting the combined use of copper and stone tools.

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Q55.

Which of the following is the most appropriate reason for the importance of archaeology in studying early Indian history?

A) Written sources are abundant for every period
B) Archaeology provides material evidence where written records are limited or absent
C) Archaeology deals only with modern history
D) Archaeological evidence is always completely conclusive

Answer: B

Solution: Archaeological remains such as pottery, tools, buildings, inscriptions and coins are particularly important for periods with limited written records.

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Q56.

The Great Bath discovered at Mohenjo-daro is generally interpreted as evidence of:

A) A large palace
B) A public or ritual bathing structure
C) A military fort
D) A grain market

Answer: B

Solution: The Great Bath is a large, carefully constructed water tank. Its precise function is uncertain, but ritual or public bathing is a common interpretation.

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Q57.

Which feature of Harappan cities most strongly indicates organized civic planning?

A) Large number of temples
B) Covered drainage and planned streets
C) Use of iron weapons
D) Horse-drawn chariots

Answer: B

Solution: Systematic street layouts, drainage networks and standardized construction indicate considerable urban planning.

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Q58.

Which of the following statements regarding Harappan script is correct?

A) It has been completely deciphered
B) It was written only in Sanskrit
C) It remains undeciphered
D) It was identical to Brahmi

Answer: C

Solution: The Harappan script has not yet been conclusively deciphered, and its language remains uncertain.

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Q59.

Which crop is strongly associated with the Harappan agricultural economy?

A) Wheat and barley
B) Tea
C) Coffee
D) Tobacco

Answer: A

Solution: Archaeological evidence indicates cultivation of wheat, barley and several other crops in Harappan settlements.

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Q60.

Which factor is often considered important in explaining the decline of the mature Harappan urban phase?

A) A single universally accepted cause
B) A combination of environmental, economic and social factors
C) Introduction of modern industry
D) European colonization

Answer: B

Solution: Historians generally avoid attributing the decline to one single cause. Environmental changes, shifting river courses, ecological stress and changing trade patterns may all have contributed.

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Vedic Period

Q61.

The earliest Veda is:

A) Samaveda
B) Yajurveda
C) Atharvaveda
D) Rigveda

Answer: D

Solution: The Rigveda is generally regarded as the earliest Veda and contains hymns dedicated to various deities.

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Q62.

Which of the following was an important occupation of early Vedic communities?

A) Cattle rearing
B) Large-scale industrial manufacturing
C) Plantation agriculture
D) Overseas banking

Answer: A

Solution: Cattle were economically and socially important in early Vedic society, although agriculture was also practiced.

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Q63.

The term “Rajan” in the Rigvedic context is best understood as:

A) Modern-style elected President
B) A tribal chief or king
C) Chief priest only
D) Village merchant

Answer: B

Solution: The Rajan was a political leader whose authority was not identical to that of a modern constitutional monarch.

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Q64.

Which development is generally associated with the later Vedic period?

A) Expansion of agriculture into the Ganga-Yamuna region
B) Complete disappearance of agriculture
C) End of territorial kingdoms
D) Abolition of social divisions

Answer: A

Solution: Later Vedic communities expanded eastward and agriculture became increasingly important.

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Q65.

The growing use of iron during the later Vedic period helped in:

A) Clearing forests and expanding agriculture
B) Developing steam engines
C) Building railways
D) Producing gunpowder

Answer: A

Solution: Iron tools were useful in clearing forests and cultivating the relatively fertile but heavily forested Ganga plains.

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Q66.

Which of the following best describes the varna system in its early form?

A) A completely fixed occupational system identical to modern caste
B) A social classification mentioned in Vedic texts
C) A system introduced by the British
D) A purely economic tax system

Answer: B

Solution: The varna framework appears in Vedic literature. Over centuries, social stratification became increasingly complex and was associated with the development of numerous jatis.

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Buddhism and Jainism

Q67.

The Buddha’s teaching of the Four Noble Truths primarily concerns:

A) The nature and cessation of suffering
B) Military organization
C) Agricultural taxation
D) Astronomy

Answer: A

Solution: The Four Noble Truths explain suffering, its cause, its cessation and the path leading to its cessation.

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Q68.

Which of the following is NOT part of the Noble Eightfold Path?

A) Right View
B) Right Livelihood
C) Right Concentration
D) Right Conquest

Answer: D

Solution: “Right Conquest” is not a component of the Noble Eightfold Path.

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Q69.

Jainism places particularly strong emphasis on:

A) Ahimsa
B) Territorial expansion
C) Animal sacrifice
D) Imperial warfare

Answer: A

Solution: Ahimsa, or non-violence, is a central principle of Jain philosophy.

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Q70.

Mahavira is traditionally regarded as the:

A) First Tirthankara
B) 10th Tirthankara
C) 23rd Tirthankara
D) 24th Tirthankara

Answer: D

Solution: Mahavira is regarded in Jain tradition as the 24th Tirthankara.

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Q71.

One important reason for the rise of Buddhism and Jainism in the sixth century BCE was:

A) Increasing urbanization and social-economic changes
B) Discovery of electricity
C) European colonialism
D) Industrial Revolution

Answer: A

Solution: The period witnessed urban growth, expanding trade, new economic groups and dissatisfaction with certain ritual practices, creating conditions favourable to new religious movements.

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Q72.

The use of Pali and other languages rather than exclusively Sanskrit helped Buddhism in:

A) Making its teachings accessible to wider sections of society
B) Restricting its teachings to priests
C) Eliminating monasteries
D) Ending trade

Answer: A

Solution: Buddhist teachings were transmitted in languages accessible to broader communities, contributing to their spread.

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Mauryan Empire

Q73.

Who founded the Mauryan Empire?

A) Ashoka
B) Chandragupta Maurya
C) Bindusara
D) Bimbisara

Answer: B

Solution: Chandragupta Maurya established the Mauryan Empire around the late fourth century BCE.

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Q74.

The Arthashastra is traditionally associated with:

A) Kalidasa
B) Kautilya
C) Banabhatta
D) Patanjali

Answer: B

Solution: The Arthashastra is traditionally attributed to Kautilya, also known as Chanakya or Vishnugupta.

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Q75.

Megasthenes visited the court of:

A) Ashoka
B) Chandragupta Maurya
C) Samudragupta
D) Harsha

Answer: B

Solution: Megasthenes was a Greek ambassador who visited the Mauryan court and wrote about Indian society and administration in his work Indica.

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Q76.

The Kalinga War had a profound impact on Ashoka because:

A) It led him to abandon all forms of administration
B) It contributed to his emphasis on Dhamma and non-violence
C) It resulted in the end of the Mauryan Empire immediately
D) It made him convert to Jainism

Answer: B

Solution: Ashoka’s inscriptions indicate that the suffering caused by the Kalinga War deeply affected him and influenced his later policy of Dhamma.

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Q77.

Ashokan inscriptions are particularly important because they:

A) Provide direct evidence of royal policies and ideas
B) Are all fictional stories
C) Were written only by foreign travellers
D) Describe only Harappan cities

Answer: A

Solution: Ashoka’s inscriptions provide valuable primary evidence about his administration, Dhamma and communication with subjects.

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Q78.

The Lion Capital at Sarnath is significant because:

A) It is India’s national emblem
B) It was built during the Gupta period
C) It is a Harappan seal
D) It was constructed by the Cholas

Answer: A

Solution: The Lion Capital of Ashoka at Sarnath forms the basis of India’s State Emblem.

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Post-Mauryan India

Q79.

The Satavahanas were particularly important in the history of:

A) Deccan India
B) Kashmir only
C) Bengal only
D) North-western frontier only

Answer: A

Solution: The Satavahanas established a major political power in the Deccan and played an important role in trade and cultural development.

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Q80.

The Kushanas were significant because they:

A) Facilitated contacts between India and Central Asia
B) Completely ended international trade
C) Ruled only southern India
D) Introduced parliamentary democracy

Answer: A

Solution: Kushan territories connected parts of India with Central Asia, facilitating trade and cultural exchanges.

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Q81.

The Gandhara school of art is known for:

A) Strong Greco-Roman artistic influence
B) Exclusive use of wooden sculptures
C) Absence of Buddha images
D) Mughal miniature painting

Answer: A

Solution: Gandhara art shows strong Hellenistic and Roman influences, especially in the representation of Buddha.

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Q82.

The Mathura school of art developed primarily in:

A) Northern India
B) Kerala
C) Assam
D) Tamil Nadu

Answer: A

Solution: Mathura became a major centre of sculpture in northern India, producing Buddhist, Jain and Brahmanical images.

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Gupta Period

Q83.

Samudragupta is known from the:

A) Allahabad Pillar inscription
B) Junagadh inscription of Rudradaman
C) Hathigumpha inscription
D) Aihole inscription

Answer: A

Solution: The Allahabad Pillar inscription, composed by Harishena, provides important information about Samudragupta’s campaigns and achievements.

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Q84.

The Gupta period is sometimes called a “Golden Age” primarily because of:

A) Complete equality in society
B) Major achievements in art, literature, science and mathematics
C) Absence of warfare
D) Universal literacy

Answer: B

Solution: The term refers to significant cultural and intellectual achievements, although the period was not uniformly prosperous for every section of society.

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Q85.

Aryabhata is associated with:

A) Astronomy and mathematics
B) Political philosophy only
C) Sculpture only
D) Military administration

Answer: A

Solution: Aryabhata made important contributions to mathematics and astronomy, including work on astronomical calculations.

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Q86.

Which language received significant royal and literary patronage during the Gupta period?

A) Sanskrit
B) English
C) Persian
D) Portuguese

Answer: A

Solution: Sanskrit flourished as an important language of literature, scholarship and elite culture during the Gupta period.

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Medieval India

Q87.

The Delhi Sultanate began with the establishment of the rule of:

A) Slave/Mamluk dynasty
B) Khilji dynasty
C) Tughlaq dynasty
D) Lodi dynasty

Answer: A

Solution: Qutbuddin Aibak established the initial Turkish rule that is conventionally called the Mamluk or Slave dynasty.

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Q88.

The Iqta system during the Delhi Sultanate was primarily related to:

A) Assignment of revenue from territories
B) Temple construction
C) Maritime navigation
D) Village festivals

Answer: A

Solution: Iqta was an administrative-revenue arrangement under which revenue assignments were given to officials in return for administrative and military responsibilities.

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Q89.

Which Sultan is particularly associated with market regulations in Delhi?

A) Alauddin Khalji
B) Iltutmish
C) Balban
D) Ibrahim Lodi

Answer: A

Solution: Alauddin Khalji introduced extensive market regulations and price controls, partly to maintain a large army at manageable cost.

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Q90.

Muhammad bin Tughlaq is remembered for:

A) Several ambitious but controversial administrative experiments
B) Establishing the Mughal Empire
C) Introducing permanent settlement
D) Building the Taj Mahal

Answer: A

Solution: His reign included experiments such as shifting the capital and introducing token currency, many of which faced practical difficulties.

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Q91.

The Vijayanagara Empire was founded in the:

A) 12th century
B) 14th century
C) 16th century
D) 18th century

Answer: B

Solution: Vijayanagara was established in the 14th century by Harihara and Bukka.

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Q92.

Hampi is associated with:

A) Vijayanagara Empire
B) Mauryan Empire
C) Gupta Empire
D) Pala Empire

Answer: A

Solution: Hampi was the capital and major cultural centre of the Vijayanagara Empire.

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Q93.

The Bhakti movement generally emphasized:

A) Personal devotion to a deity
B) Complete rejection of all religious practices
C) Military conquest
D) Trade monopolies

Answer: A

Solution: Many Bhakti traditions emphasized personal devotion and direct spiritual connection with the chosen deity.

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Q94.

Which of the following is associated with the Bhakti tradition?

A) Kabir
B) Megasthenes
C) Kautilya
D) Al-Biruni

Answer: A

Solution: Kabir was an influential Bhakti-era poet whose teachings emphasized devotion and criticized religious divisions and ritualism.

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Q95.

Sufi traditions in medieval India emphasized:

A) Spiritual devotion and connection with God
B) Military expansion
C) Commercial taxation
D) Industrial production

Answer: A

Solution: Sufi traditions emphasized spirituality, devotion, love and the relationship between the individual and the divine.

---

Q96.

The Mughal Empire in India was founded by:

A) Akbar
B) Babur
C) Humayun
D) Sher Shah

Answer: B

Solution: Babur defeated Ibrahim Lodi at the First Battle of Panipat in 1526 and established Mughal rule in northern India.

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Q97.

Akbar’s policy of “Sulh-i-kul” is best understood as:

A) Universal peace/tolerance
B) Military expansion only
C) Economic taxation
D) Religious persecution

Answer: A

Solution: Sulh-i-kul represented a policy of universal tolerance and peaceful coexistence among different religious communities.

---

Q98.

The Mansabdari system under the Mughals was related to:

A) Ranking and military-administrative organization
B) Temple rituals
C) Agricultural irrigation only
D) Maritime trade alone

Answer: A

Solution: Mansabdars held ranks that determined their status and military obligations within the Mughal administrative structure.

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Q99.

The Mughal system of revenue administration under Akbar is strongly associated with:

A) Todar Mal
B) Birbal only
C) Tansen
D) Abul Fazl only

Answer: A

Solution: Raja Todar Mal played an important role in developing Akbar’s land-revenue assessment system.

---

Q100.

Consider the following statements:

1. Bhakti and Sufi traditions contributed to cultural interaction.
2. Both traditions had diverse regional forms.
3. Both were identical in philosophy and practice.

Which of the statements given above is/are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: B

Solution: Bhakti and Sufi traditions had diverse forms and contributed to cultural interaction. However, they were not identical in philosophy or practice.

ALS IAS Scholarship Test — UPSC Level

NCERT-Based MCQs | English Medium

Part 3–6: Questions 101–300

200 MCQs with Answers + Solutions

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PART 3 — MODERN INDIAN HISTORY

Questions 101–150

Q101.

The Battle of Plassey was fought in:

A) 1757
B) 1764
C) 1773
D) 1784

Answer: A

Solution: The Battle of Plassey was fought in 1757 between Siraj-ud-daulah and the British East India Company led by Robert Clive.

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Q102.

The Battle of Buxar was fought in:

A) 1757
B) 1761
C) 1764
D) 1772

Answer: C

Solution: The Battle of Buxar in 1764 established the military superiority of the East India Company in eastern India.

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Q103.

The Diwani rights of Bengal, Bihar and Orissa were granted to the East India Company in:

A) 1757
B) 1765
C) 1773
D) 1793

Answer: B

Solution: After the Battle of Buxar, the Mughal emperor Shah Alam II granted the Company Diwani rights in 1765.

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Q104.

The Permanent Settlement was introduced by:

A) Warren Hastings
B) Lord Cornwallis
C) Lord Wellesley
D) Lord Dalhousie

Answer: B

Solution: Lord Cornwallis introduced the Permanent Settlement in Bengal in 1793.

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Q105.

Under the Permanent Settlement, revenue was primarily collected through:

A) Zamindars
B) Village councils
C) Peasants directly
D) Merchants

Answer: A

Solution: Zamindars were recognized as revenue collectors and landholders, with revenue demand fixed permanently.

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Q106.

The Ryotwari system was associated particularly with:

A) Direct settlement with cultivators
B) Settlement only with zamindars
C) Tribal chiefs
D) European merchants

Answer: A

Solution: Under the Ryotwari system, the government made revenue settlements directly with individual cultivators or ryots.

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Q107.

The Mahalwari system was mainly introduced in:

A) Parts of North-Western India
B) Bengal only
C) Bombay Presidency only
D) Madras Presidency only

Answer: A

Solution: The Mahalwari system operated in parts of North-Western Provinces, Punjab and adjoining areas, with the village or mahal as the revenue unit.

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Q108.

The Subsidiary Alliance system is closely associated with:

A) Lord Wellesley
B) Lord Ripon
C) Lord Curzon
D) Lord Canning

Answer: A

Solution: Lord Wellesley used the Subsidiary Alliance system to bring Indian princely states under British political control.

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Q109.

Under the Subsidiary Alliance, Indian rulers generally had to:

A) Maintain independent foreign relations
B) Accept British troops and restrictions on external relations
C) Expel all British residents
D) Stop paying tribute

Answer: B

Solution: States accepting the alliance had to maintain British troops and surrender significant control over foreign affairs.

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Q110.

The Doctrine of Lapse is associated with:

A) Lord Dalhousie
B) Lord Curzon
C) Lord Canning
D) Lord Hastings

Answer: A

Solution: Lord Dalhousie used the Doctrine of Lapse to annex states where the ruler died without a recognized natural heir.

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Q111.

Which state was annexed under the Doctrine of Lapse?

A) Awadh
B) Jhansi
C) Hyderabad
D) Kashmir

Answer: B

Solution: Jhansi was among the states annexed under the Doctrine of Lapse.

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Q112.

The Revolt of 1857 began at:

A) Delhi
B) Meerut
C) Kanpur
D) Lucknow

Answer: B

Solution: The revolt began at Meerut on 10 May 1857 and then spread to Delhi and other regions.

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Q113.

The immediate military cause of the Revolt of 1857 was associated with:

A) Heavy taxation
B) Enfield rifle cartridges
C) Permanent Settlement
D) Salt tax

Answer: B

Solution: The controversy over cartridges believed to be greased with cow and pig fat became an immediate trigger for the revolt.

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Q114.

Bahadur Shah Zafar was declared the symbolic leader of the revolt at:

A) Kanpur
B) Delhi
C) Lucknow
D) Jhansi

Answer: B

Solution: Rebels reached Delhi and recognized the Mughal emperor Bahadur Shah Zafar as their symbolic leader.

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Q115.

Rani Lakshmibai was associated with:

A) Jhansi
B) Awadh
C) Bihar
D) Punjab

Answer: A

Solution: Rani Lakshmibai became one of the most prominent leaders of the revolt in Jhansi.

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Q116.

Kunwar Singh played an important role in the Revolt of 1857 in:

A) Bihar
B) Bengal
C) Punjab
D) Mysore

Answer: A

Solution: Kunwar Singh was a prominent leader of the revolt in Bihar.

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Q117.

The Government of India Act, 1858 resulted in:

A) Transfer of power from the Company to the British Crown
B) End of British rule
C) Introduction of universal adult franchise
D) Establishment of the Indian National Congress

Answer: A

Solution: After the Revolt of 1857, the British Crown took direct control of Indian administration from the East India Company.

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Q118.

The Indian National Congress was founded in:

A) 1885
B) 1887
C) 1892
D) 1905

Answer: A

Solution: The Indian National Congress was founded in 1885.

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Q119.

The first session of the Indian National Congress was held at:

A) Calcutta
B) Bombay
C) Madras
D) Allahabad

Answer: B

Solution: The first Congress session was held in Bombay in 1885 under the presidency of W.C. Bonnerjee.

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Q120.

The early Congress leaders are often called:

A) Revolutionaries
B) Moderates
C) Extremists
D) Socialists

Answer: B

Solution: Early Congress leaders such as Dadabhai Naoroji and Surendranath Banerjee generally followed constitutional and moderate methods.

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Q121.

Dadabhai Naoroji is associated with the:

A) Drain of Wealth theory
B) Subsidiary Alliance
C) Doctrine of Lapse
D) Permanent Settlement

Answer: A

Solution: Dadabhai Naoroji argued that colonial economic policies caused a drain of Indian wealth to Britain.

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Q122.

The Partition of Bengal took place in:

A) 1903
B) 1905
C) 1907
D) 1911

Answer: B

Solution: Lord Curzon partitioned Bengal in 1905, generating widespread opposition.

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Q123.

The Swadeshi Movement emphasized:

A) Boycott of foreign goods and promotion of indigenous products
B) Support for British imports
C) Expansion of Company rule
D) Abolition of Indian industries

Answer: A

Solution: The Swadeshi Movement encouraged indigenous production and boycotting foreign goods.

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Q124.

The Surat Split of the Congress occurred in:

A) 1905
B) 1906
C) 1907
D) 1911

Answer: C

Solution: The Congress split between Moderates and Extremists at Surat in 1907.

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Q125.

The Muslim League was founded in:

A) 1905
B) 1906
C) 1909
D) 1911

Answer: B

Solution: The All-India Muslim League was established in Dhaka in 1906.

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Q126.

The Morley-Minto Reforms of 1909 introduced:

A) Separate electorates for Muslims
B) Universal adult franchise
C) Provincial autonomy
D) Complete independence

Answer: A

Solution: The Indian Councils Act of 1909 introduced separate electorates for Muslims.

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Q127.

Mahatma Gandhi returned to India from South Africa in:

A) 1913
B) 1915
C) 1917
D) 1919

Answer: B

Solution: Gandhi returned to India in January 1915.

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Q128.

The Champaran Satyagraha was related mainly to:

A) Indigo cultivation
B) Cotton mills
C) Salt production
D) Forest rights

Answer: A

Solution: Gandhi supported peasants in Champaran who faced oppressive conditions related to indigo cultivation.

---

Q129.

The Ahmedabad Mill Strike was associated with:

A) Textile workers
B) Railway workers
C) Plantation workers
D) Mine workers

Answer: A

Solution: Gandhi intervened in a dispute between textile workers and mill owners in Ahmedabad.

---

Q130.

The Kheda Satyagraha was primarily related to:

A) Revenue relief for peasants
B) Salt production
C) Factory wages
D) Forest conservation

Answer: A

Solution: Gandhi supported peasants in Kheda who sought suspension of revenue collection following crop failure.

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Q131.

The Rowlatt Act was passed in:

A) 1917
B) 1919
C) 1920
D) 1922

Answer: B

Solution: The Rowlatt Act of 1919 allowed detention without normal judicial safeguards, generating widespread opposition.

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Q132.

The Jallianwala Bagh massacre occurred on:

A) 6 April 1919
B) 13 April 1919
C) 15 August 1919
D) 26 January 1920

Answer: B

Solution: General Dyer ordered troops to fire on a gathering at Jallianwala Bagh on 13 April 1919.

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Q133.

The Non-Cooperation Movement was launched in:

A) 1919
B) 1920
C) 1922
D) 1930

Answer: B

Solution: Gandhi launched the Non-Cooperation Movement in 1920.

---

Q134.

The Non-Cooperation Movement was withdrawn after:

A) Jallianwala Bagh
B) Chauri Chaura
C) Dandi March
D) Simon Commission

Answer: B

Solution: Gandhi withdrew the movement in 1922 after the violent incident at Chauri Chaura.

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Q135.

The Simon Commission was opposed mainly because:

A) It had no Indian member
B) It supported complete independence
C) It abolished provincial councils
D) It supported the Salt Satyagraha

Answer: A

Solution: The Simon Commission appointed in 1927 had no Indian member, leading to widespread protests.

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Q136.

The Lahore Session of Congress in 1929 is particularly important because it declared:

A) Dominion Status as the immediate objective
B) Purna Swaraj as the goal
C) Support for the Simon Commission
D) End of the Swadeshi Movement

Answer: B

Solution: The Congress declared Purna Swaraj or complete independence as its goal at Lahore in 1929.

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Q137.

The Civil Disobedience Movement began with:

A) Champaran Satyagraha
B) Dandi March
C) Quit India Movement
D) Bardoli Satyagraha

Answer: B

Solution: Gandhi’s Salt March to Dandi in 1930 marked the beginning of the Civil Disobedience Movement.

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Q138.

The Salt March was directed against:

A) Land revenue
B) Salt laws
C) Forest laws only
D) Income tax

Answer: B

Solution: Gandhi challenged the British monopoly and tax on salt.

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Q139.

The Gandhi-Irwin Pact was signed in:

A) 1929
B) 1930
C) 1931
D) 1932

Answer: C

Solution: The Gandhi-Irwin Pact was signed in 1931 before Gandhi attended the Second Round Table Conference.

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Q140.

The Poona Pact of 1932 was related to:

A) Representation of depressed classes
B) Partition of Bengal
C) Salt taxation
D) Foreign trade

Answer: A

Solution: The Poona Pact modified the arrangement concerning political representation of depressed classes.

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Q141.

The Government of India Act, 1935 provided for:

A) Provincial autonomy
B) Complete independence
C) Universal adult franchise
D) Abolition of all princely states

Answer: A

Solution: The Act introduced provincial autonomy and proposed a federation, though the federal part was not implemented.

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Q142.

The Quit India Movement was launched in:

A) 1939
B) 1940
C) 1942
D) 1945

Answer: C

Solution: The Quit India Movement was launched in August 1942 with the demand for an immediate end to British rule.

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Q143.

The slogan “Do or Die” is associated with:

A) Subhas Chandra Bose
B) Mahatma Gandhi
C) Jawaharlal Nehru
D) Bhagat Singh

Answer: B

Solution: Gandhi gave the famous “Do or Die” call during the Quit India Movement.

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Q144.

The Indian National Army is closely associated with:

A) Subhas Chandra Bose
B) Dadabhai Naoroji
C) Gopal Krishna Gokhale
D) Bal Gangadhar Tilak

Answer: A

Solution: Subhas Chandra Bose became the most prominent leader associated with the Indian National Army.

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Q145.

The Cabinet Mission came to India in:

A) 1942
B) 1945
C) 1946
D) 1947

Answer: C

Solution: The Cabinet Mission came to India in 1946 to discuss constitutional arrangements and the transfer of power.

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Q146.

India became independent under the:

A) Indian Independence Act, 1947
B) Government of India Act, 1935
C) Charter Act, 1833
D) Regulating Act, 1773

Answer: A

Solution: The Indian Independence Act, 1947 created the two dominions of India and Pakistan.

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Q147.

The Constituent Assembly first met in:

A) 1945
B) 1946
C) 1947
D) 1950

Answer: B

Solution: The Constituent Assembly held its first meeting on 9 December 1946.

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Q148.

The Constitution was adopted on:

A) 15 August 1947
B) 26 November 1949
C) 26 January 1950
D) 2 October 1950

Answer: B

Solution: The Constitution was adopted on 26 November 1949 and came into force on 26 January 1950.

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Q149.

Which of the following best explains the significance of the freedom movement?

A) It was solely an armed struggle
B) It involved diverse forms of political, social and mass mobilization
C) It was restricted to urban elites
D) It involved only one political organization

Answer: B

Solution: India’s freedom struggle included constitutional politics, mass movements, revolutionary activities, peasant participation, labour mobilization and many regional movements.

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Q150.

The main objective of the Indian national movement was ultimately:

A) Expansion of British rule
B) Self-government and independence
C) Establishment of a monarchy
D) End of Indian industries

Answer: B

Solution: The movement gradually evolved from demands for administrative reforms to the demand for complete independence.

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PART 4 — INDIAN GEOGRAPHY

Questions 151–200

Q151.

The Indian subcontinent lies primarily in which hemispheres?

A) Northern and Eastern
B) Southern and Eastern
C) Northern and Western
D) Southern and Western

Answer: A

Solution: India lies north of the Equator and east of the Prime Meridian.

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Q152.

The Tropic of Cancer passes through:

A) Southern India only
B) Central and northern parts of India
C) Only the Himalayan region
D) Only coastal India

Answer: B

Solution: The Tropic of Cancer crosses India through several states in its central and northern region.

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Q153.

The Standard Meridian of India is:

A) 68°7′ E
B) 75° E
C) 82°30′ E
D) 90° E

Answer: C

Solution: 82°30′ E is used as India’s Standard Meridian for Indian Standard Time.

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Q154.

Indian Standard Time is:

A) UTC + 3 hours
B) UTC + 4 hours
C) UTC + 5:30 hours
D) UTC + 6:30 hours

Answer: C

Solution: Indian Standard Time is 5 hours 30 minutes ahead of UTC.

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Q155.

The Himalayas act as a climatic barrier mainly by:

A) Preventing all rainfall
B) Blocking cold continental winds and influencing monsoon circulation
C) Stopping all rivers
D) Preventing agriculture

Answer: B

Solution: The Himalayas influence India’s climate by blocking cold winds from Central Asia and affecting the movement and distribution of monsoon moisture.

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Q156.

Which Himalayan range is the northernmost?

A) Shiwalik
B) Himachal
C) Himadri
D) Purvanchal

Answer: C

Solution: The Himadri or Greater Himalaya is the northernmost and highest major Himalayan range.

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Q157.

The Shiwaliks are:

A) The highest Himalayan range
B) The southernmost Himalayan range
C) An eastern coastal range
D) A volcanic mountain chain

Answer: B

Solution: The Shiwaliks form the southernmost and lowest Himalayan range.

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Q158.

The Northern Plains were formed mainly by:

A) Lava deposition
B) Alluvial deposits brought by rivers
C) Glacial rocks only
D) Wind erosion

Answer: B

Solution: The Indus, Ganga and Brahmaputra river systems deposited enormous quantities of alluvium, forming the Northern Plains.

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Q159.

Which river system forms the largest delta in the world?

A) Narmada-Tapi
B) Ganga-Brahmaputra
C) Godavari-Krishna
D) Mahanadi

Answer: B

Solution: The Ganga-Brahmaputra system forms the vast Sundarbans delta.

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Q160.

The Peninsular Plateau is mainly composed of:

A) Ancient crystalline rocks
B) Recent alluvium
C) Coral deposits
D) Loose sand

Answer: A

Solution: The Peninsular Plateau is one of India’s oldest geological formations and consists largely of ancient crystalline rocks.

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Q161.

The Western Ghats are generally:

A) Lower than the Eastern Ghats throughout
B) More continuous than the Eastern Ghats
C) Located entirely in northern India
D) Part of the Himalayas

Answer: B

Solution: The Western Ghats form a relatively continuous escarpment, whereas the Eastern Ghats are more discontinuous due to river valleys.

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Q162.

Which river flows through a rift valley?

A) Narmada
B) Ganga
C) Yamuna
D) Brahmaputra

Answer: A

Solution: Narmada flows through a tectonic rift valley between the Vindhya and Satpura ranges.

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Q163.

The Deccan Plateau slopes generally towards:

A) East
B) West
C) North
D) South-west

Answer: A

Solution: Most major Peninsular rivers flow eastward into the Bay of Bengal, reflecting the general eastward slope.

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Q164.

The Coromandel Coast receives substantial rainfall mainly from:

A) Southwest monsoon only
B) Northeast monsoon
C) Western disturbances
D) Local snowfall

Answer: B

Solution: Tamil Nadu and the southeastern coast receive significant rainfall during the northeast or retreating monsoon.

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Q165.

The Malabar Coast is mainly associated with:

A) Western coastal India
B) Eastern coastal India
C) Northern plains
D) Himalayan foothills

Answer: A

Solution: The Malabar Coast extends along the southwestern coast, especially Kerala.

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Q166.

Which state receives significant winter rainfall from the northeast monsoon?

A) Tamil Nadu
B) Punjab
C) Rajasthan
D) Gujarat

Answer: A

Solution: Tamil Nadu receives a large proportion of its annual rainfall during October-December from the northeast monsoon.

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Q167.

Black soil is also called:

A) Regur soil
B) Khadar
C) Bhabar
D) Bangar

Answer: A

Solution: Regur is another name for black cotton soil.

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Q168.

Khadar refers to:

A) Older alluvium
B) Newer alluvium
C) Black soil
D) Laterite soil

Answer: B

Solution: Khadar is newer alluvium deposited in floodplains, generally renewed more frequently than Bangar.

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Q169.

Bangar refers to:

A) Older alluvial deposits
B) New coastal deposits
C) Desert sand
D) Volcanic soil

Answer: A

Solution: Bangar consists of older alluvial deposits located above the newer floodplain deposits.

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Q170.

Which crop requires relatively high temperature and rainfall?

A) Rice
B) Wheat
C) Gram
D) Barley

Answer: A

Solution: Rice generally requires high temperature and adequate water availability.

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Q171.

Wheat is primarily a:

A) Kharif crop
B) Rabi crop
C) Zaid crop
D) Plantation crop

Answer: B

Solution: Wheat is generally sown during winter and harvested in spring, making it a rabi crop.

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Q172.

Which of the following is a major plantation crop?

A) Tea
B) Wheat
C) Gram
D) Bajra

Answer: A

Solution: Tea is commonly cultivated as a plantation/commercial crop.

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Q173.

The Sundarbans are famous for:

A) Mangrove forests
B) Alpine meadows
C) Tropical deserts
D) Coniferous forests

Answer: A

Solution: The Sundarbans contain extensive mangrove ecosystems in the Ganga-Brahmaputra delta.

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Q174.

Mangrove vegetation is particularly adapted to:

A) High-altitude deserts
B) Saline coastal environments
C) Polar regions
D) Dry grasslands

Answer: B

Solution: Mangroves are adapted to saline, tidal and waterlogged coastal environments.

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Q175.

The largest freshwater lake in India by surface area is generally identified as:

A) Wular Lake
B) Chilika Lake
C) Sambhar Lake
D) Pulicat Lake

Answer: A

Solution: Wular Lake in Jammu and Kashmir is one of India’s largest freshwater lakes.

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Q176.

Chilika Lake is:

A) A freshwater mountain lake
B) A brackish water lagoon
C) An artificial reservoir
D) A glacial lake

Answer: B

Solution: Chilika is a large brackish-water lagoon on the Odisha coast.

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Q177.

The main source of energy driving the water cycle is:

A) Moon
B) Sun
C) Earth’s core
D) Ocean currents

Answer: B

Solution: Solar energy drives evaporation and consequently powers much of the hydrological cycle.

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Q178.

The Coriolis force is caused by:

A) Earth’s rotation
B) Earth’s revolution only
C) Ocean salinity
D) Atmospheric pressure alone

Answer: A

Solution: Earth’s rotation causes the apparent deflection of moving air and water.

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Q179.

Cyclones generally involve:

A) Convergence of air around a low-pressure centre
B) High pressure at the centre only
C) Complete absence of wind
D) Permanent snowfall

Answer: A

Solution: Tropical cyclones are intense low-pressure systems with converging winds and rising air.

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Q180.

Which of the following is an example of an endogenic process?

A) Volcanism
B) River erosion
C) Wind erosion
D) Weathering

Answer: A

Solution: Endogenic processes originate within Earth and include tectonic movements and volcanism.

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Q181.

Weathering differs from erosion because weathering:

A) Involves breakdown of rocks in place
B) Always transports sediment
C) Occurs only in oceans
D) Requires glaciers

Answer: A

Solution: Weathering breaks rocks down at or near their original location, while erosion involves removal and transportation.

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Q182.

Which river is known for forming an estuary rather than a large delta?

A) Narmada
B) Ganga
C) Mahanadi
D) Godavari

Answer: A

Solution: Narmada flows westward into the Arabian Sea and forms an estuary.

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Q183.

Which of the following is a major inland waterway?

A) Ganga
B) Thar Desert
C) Aravalli Range
D) Deccan Plateau

Answer: A

Solution: The Ganga and its associated waterways have historically supported inland navigation.

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Q184.

The Aravalli Range is significant because it is:

A) One of the oldest mountain systems in India
B) India’s youngest mountain range
C) A volcanic chain
D) Part of the Himalayas

Answer: A

Solution: The Aravallis are among the world’s ancient fold mountain systems.

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Q185.

The Thar Desert receives low rainfall mainly because:

A) It is far from all oceans
B) The Aravallis do not effectively intercept the southwest monsoon winds moving parallel to them
C) It is covered by glaciers
D) It has no atmosphere

Answer: B

Solution: The orientation of the Aravallis limits their ability to force the monsoon winds to rise and produce rainfall over the desert.

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Q186.

Which Indian region is particularly vulnerable to earthquakes because of active tectonic processes?

A) Himalayan region
B) Deccan interior only
C) Thar Desert only
D) Coastal plains only

Answer: A

Solution: The Himalayas are tectonically active because the Indian Plate continues to collide with the Eurasian Plate.

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Q187.

The Andaman and Nicobar Islands are located in:

A) Arabian Sea
B) Bay of Bengal
C) Gulf of Kachchh
D) Gulf of Mannar

Answer: B

Solution: The Andaman and Nicobar Islands lie in the Bay of Bengal.

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Q188.

Lakshadweep islands are mainly:

A) Volcanic mountains
B) Coral islands
C) Fold mountains
D) River islands

Answer: B

Solution: Lakshadweep consists primarily of coral islands and atolls.

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Q189.

Which of the following is a natural hazard associated with excessive rainfall?

A) Landslide
B) Drought
C) Desertification only
D) Frost only

Answer: A

Solution: Heavy rainfall can saturate slopes and trigger landslides, particularly in mountainous areas.

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Q190.

The term “rain shadow” refers to:

A) Area receiving less rainfall on the leeward side of a mountain
B) Area receiving maximum rainfall
C) Cloud formation over oceans
D) Winter snowfall

Answer: A

Solution: Moist air rises on the windward side, loses moisture, and descends drier on the leeward side, producing a rain-shadow region.

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Q191.

Which of the following is a major factor influencing India’s climate?

A) Latitude
B) Altitude
C) Distance from sea
D) All of the above

Answer: D

Solution: India’s climate is influenced by latitude, altitude, pressure systems, monsoon winds, relief and distance from the sea.

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Q192.

The term “monsoon” refers primarily to:

A) Seasonal reversal of winds
B) Permanent ocean currents
C) Daily temperature variation
D) Earthquakes

Answer: A

Solution: The monsoon is fundamentally characterized by seasonal changes or reversal in wind patterns.

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Q193.

Which of the following is most suitable for studying the distribution of rainfall?

A) Isohyets
B) Contours only
C) Latitudes only
D) Longitudes only

Answer: A

Solution: Isohyets are lines joining places receiving equal amounts of rainfall.

---

Q194.

A contour line on a topographic map joins places of equal:

A) Temperature
B) Elevation
C) Rainfall
D) Population

Answer: B

Solution: Contour lines represent equal elevation above a reference level.

---

Q195.

A closely spaced contour pattern indicates:

A) Gentle slope
B) Steep slope
C) Flat land
D) Sea level

Answer: B

Solution: Closely spaced contours represent rapid changes in elevation and therefore a steep slope.

---

Q196.

Which of the following best represents a delta?

A) Depositional landform at a river mouth
B) Deep mountain valley
C) Volcanic crater
D) Sand dune

Answer: A

Solution: A delta forms when a river deposits sediment near its mouth faster than it can be removed by waves and currents.

---

Q197.

A meander is commonly associated with:

A) River erosion and deposition in plains
B) Volcanic eruption
C) Glacial movement only
D) Coral formation

Answer: A

Solution: Meanders develop in mature river courses due to differential erosion and deposition.

---

Q198.

Which process is primarily responsible for the formation of sand dunes?

A) Wind deposition
B) River deposition
C) Glacial erosion
D) Volcanism

Answer: A

Solution: Wind transports and deposits sand, producing dunes in arid environments.

---

Q199.

Which of the following is a renewable natural resource?

A) Coal
B) Petroleum
C) Solar radiation
D) Natural gas

Answer: C

Solution: Solar energy is continuously replenished naturally.

---

Q200.

Sustainable development seeks to:

A) Maximize present consumption regardless of future effects
B) Meet present needs without compromising future generations
C) Stop all economic development
D) Eliminate resource use completely

Answer: B

Solution: Sustainable development balances economic, social and environmental objectives for present and future generations.

---

PART 5 — INDIAN POLITY

Questions 201–250

Q201.

The Preamble declares India to be a:

A) Sovereign Socialist Secular Democratic Republic
B) Federal Monarchy
C) Unitary Republic
D) Socialist Monarchy

Answer: A

Solution: These words describe the fundamental constitutional identity of India.

---

Q202.

Which words were added to the Preamble by the 42nd Constitutional Amendment?

A) Justice and Liberty
B) Socialist, Secular and Integrity
C) Democracy and Republic
D) Equality and Fraternity

Answer: B

Solution: The 42nd Amendment added “Socialist,” “Secular” and “integrity” to the constitutional text.

---

Q203.

Fundamental Rights are primarily intended to:

A) Protect individual liberty and equality
B) Increase government taxation
C) Regulate foreign trade
D) Establish local governments only

Answer: A

Solution: Fundamental Rights protect citizens and, in certain cases, all persons against arbitrary state action.

---

Q204.

Article 14 guarantees:

A) Equality before law and equal protection of laws
B) Freedom of religion only
C) Right to education only
D) Right to property only

Answer: A

Solution: Article 14 embodies the constitutional guarantee of equality before law and equal protection of laws.

---

Q205.

Freedom of speech and expression is primarily protected under:

A) Article 14
B) Article 19
C) Article 21A
D) Article 32

Answer: B

Solution: Article 19(1)(a) guarantees freedom of speech and expression, subject to constitutional restrictions.

---

Q206.

Article 21 protects:

A) Life and personal liberty
B) Property only
C) Voting rights only
D) Religious institutions only

Answer: A

Solution: Article 21 provides that no person shall be deprived of life or personal liberty except according to procedure established by law.

---

Q207.

The Right to Education under Article 21A applies to children in the age group:

A) 3–6 years
B) 6–14 years
C) 14–18 years
D) 18–21 years

Answer: B

Solution: Article 21A provides for free and compulsory education for children aged 6–14 years.

---

Q208.

Which writ is used to produce a person allegedly unlawfully detained before the court?

A) Mandamus
B) Habeas Corpus
C) Certiorari
D) Quo Warranto

Answer: B

Solution: Habeas Corpus literally concerns producing the detained person before the court to examine the legality of detention.

---

Q209.

Mandamus generally means:

A) “We command”
B) “By what authority”
C) “To have the body”
D) “To prohibit”

Answer: A

Solution: Mandamus is a judicial command directing a public authority to perform a legal duty.

---

Q210.

Quo Warranto is used to question:

A) Illegal detention
B) Authority by which a person holds a public office
C) Administrative delay
D) Criminal conviction only

Answer: B

Solution: Quo Warranto asks by what authority a person occupies a public office.

---

Q211.

The Directive Principles are inspired partly by the Constitution of:

A) Ireland
B) USA
C) Canada
D) France

Answer: A

Solution: The Directive Principles were influenced by the Irish constitutional model.

---

Q212.

Fundamental Rights were influenced substantially by the Constitution of:

A) USA
B) Ireland
C) Australia
D) South Africa

Answer: A

Solution: The idea of Fundamental Rights in the Indian Constitution was influenced by the US Constitution.

---

Q213.

The parliamentary system was influenced mainly by:

A) Britain
B) Russia
C) Japan
D) Switzerland

Answer: A

Solution: India’s parliamentary form of government is strongly influenced by the British system.

---

Q214.

The President of India is:

A) Constitutional head of the Union executive
B) Head of the judiciary
C) Directly elected by citizens
D) Head of Parliament alone

Answer: A

Solution: The President is the constitutional head of the Union executive, while real executive authority is exercised through the Council of Ministers headed by the Prime Minister.

---

Q215.

The Prime Minister is appointed by:

A) Chief Justice
B) President
C) Speaker
D) Vice-President

Answer: B

Solution: The President appoints the Prime Minister, normally the leader of the majority in the Lok Sabha.

---

Q216.

The Council of Ministers is collectively responsible to:

A) Rajya Sabha
B) Lok Sabha
C) President alone
D) Supreme Court

Answer: B

Solution: Collective responsibility to the Lok Sabha is a central feature of India’s parliamentary system.

---

Q217.

The Vice-President of India is ex officio:

A) Speaker of Lok Sabha
B) Chairman of Rajya Sabha
C) Chief Justice
D) Finance Minister

Answer: B

Solution: The Vice-President serves as the ex officio Chairman of the Rajya Sabha.

---

Q218.

The Lok Sabha is presided over by:

A) President
B) Speaker
C) Prime Minister
D) Vice-President

Answer: B

Solution: The Speaker is the presiding officer of the Lok Sabha.

---

Q219.

The maximum constitutional strength of the Rajya Sabha is:

A) 238
B) 245
C) 250
D) 275

Answer: C

Solution: The Constitution provides for a maximum strength of 250 members in the Rajya Sabha.

---

Q220.

The Rajya Sabha represents:

A) States and Union Territories
B) Only villages
C) Only political parties
D) Only the judiciary

Answer: A

Solution: Rajya Sabha is the Council of States and represents states and Union Territories in the Union legislature.

---

Q221.

The President can promulgate an Ordinance when:

A) Parliament is not in session and constitutional conditions are satisfied
B) Supreme Court orders it
C) Lok Sabha is permanently dissolved
D) Election Commission recommends it

Answer: A

Solution: Article 123 gives the President ordinance-making power when both Houses of Parliament are not in session and immediate action is necessary.

---

Q222.

The Governor of a state is appointed by:

A) Chief Minister
B) President
C) State Legislature
D) Supreme Court

Answer: B

Solution: Governors are appointed by the President of India.

---

Q223.

The Chief Minister is appointed by:

A) Governor
B) President
C) Speaker of Lok Sabha
D) Chief Justice of India

Answer: A

Solution: The Governor appoints the Chief Minister, generally the leader of the majority party or coalition in the state assembly.

---

Q224.

The highest court in a state is:

A) District Court
B) High Court
C) Supreme Court
D) Sessions Court

Answer: B

Solution: Each state or group of states/UTs has a High Court as the highest constitutional court within that jurisdiction.

---

Q225.

Judicial review means:

A) Parliament reviewing court judgments
B) Courts examining the constitutionality of laws and executive actions
C) Executive reviewing elections
D) Citizens reviewing legislation

Answer: B

Solution: Judicial review allows courts to test laws and executive actions against constitutional provisions.

---

Q226.

The Supreme Court is the final interpreter of:

A) Constitution
B) Budget only
C) Election manifesto
D) Political party rules

Answer: A

Solution: The Supreme Court has the final judicial authority in interpreting the Constitution.

---

Q227.

The Election Commission of India is primarily responsible for:

A) Conducting elections to Parliament and state legislatures and certain constitutional offices
B) Framing the Union Budget
C) Appointing judges
D) Managing monetary policy

Answer: A

Solution: The Election Commission conducts and supervises elections under Article 324.

---

Q228.

The Comptroller and Auditor General primarily audits:

A) Government accounts
B) Private family accounts
C) Political speeches
D) School examinations

Answer: A

Solution: The CAG audits public expenditure and government accounts and reports to the legislatures.

---

Q229.

The Finance Commission is constituted under:

A) Article 280
B) Article 324
C) Article 356
D) Article 370

Answer: A

Solution: Article 280 provides for the Finance Commission.

---

Q230.

The Finance Commission primarily deals with:

A) Distribution of financial resources between Union and States
B) Election disputes
C) Appointment of judges
D) Defence policy

Answer: A

Solution: It recommends principles for distribution of tax revenues and grants between the Union and states.

---

Q231.

The UPSC is a:

A) Constitutional body
B) Private organization
C) Judicial tribunal
D) Ministry

Answer: A

Solution: The Union Public Service Commission is established under constitutional provisions.

---

Q232.

The Panchayati Raj system received constitutional status through:

A) 42nd Amendment
B) 61st Amendment
C) 73rd Amendment
D) 86th Amendment

Answer: C

Solution: The 73rd Constitutional Amendment Act, 1992 gave constitutional recognition to Panchayati Raj institutions.

---

Q233.

Urban local bodies received constitutional recognition through:

A) 72nd Amendment
B) 73rd Amendment
C) 74th Amendment
D) 75th Amendment

Answer: C

Solution: The 74th Constitutional Amendment deals with municipalities and urban local government.

---

Q234.

The Gram Sabha consists of:

A) Only elected Panchayat members
B) All registered voters in the village/panchayat area as prescribed
C) Government officials only
D) District judges

Answer: B

Solution: Gram Sabha is the general body of registered voters in the relevant rural local government area.

---

Q235.

The 73rd Amendment relates primarily to:

A) Rural local government
B) Supreme Court
C) Parliament
D) Emergency provisions

Answer: A

Solution: The 73rd Amendment constitutionalized Panchayati Raj institutions.

---

Q236.

The 74th Amendment relates primarily to:

A) Urban local government
B) Fundamental Duties
C) Election Commission
D) Finance Commission

Answer: A

Solution: The 74th Amendment deals with municipalities.

---

Q237.

A constitutional amendment generally requires:

A) Only a Presidential order
B) Procedure specified under Article 368
C) Supreme Court approval in every case
D) State Governor approval only

Answer: B

Solution: Article 368 lays down the principal constitutional amendment procedure, with different requirements for different provisions.

---

Q238.

India’s Constitution is often described as:

A) Completely rigid
B) Completely flexible
C) A combination of rigidity and flexibility
D) Unwritten

Answer: C

Solution: Different provisions require different amendment procedures, making the Constitution partly rigid and partly flexible.

---

Q239.

National Emergency is associated with:

A) Article 352
B) Article 356
C) Article 360
D) Article 324

Answer: A

Solution: Article 352 deals with proclamation of National Emergency.

---

Q240.

President’s Rule in a state is associated with:

A) Article 352
B) Article 356
C) Article 360
D) Article 365 only

Answer: B

Solution: Article 356 provides for President’s Rule when constitutional machinery in a state fails.

---

Q241.

Financial Emergency is provided under:

A) Article 352
B) Article 356
C) Article 360
D) Article 280

Answer: C

Solution: Article 360 deals with Financial Emergency.

---

Q242.

The basic structure doctrine was established by the Supreme Court in:

A) Kesavananda Bharati case
B) Golaknath case only
C) Maneka Gandhi case
D) Minerva Mills case only

Answer: A

Solution: The 1973 Kesavananda Bharati judgment established that Parliament’s amending power cannot destroy the Constitution’s basic structure.

---

Q243.

Which is generally considered part of the basic structure?

A) Judicial review
B) A particular tax rate
C) Every ordinary statute
D) A specific government scheme

Answer: A

Solution: Judicial review, rule of law, constitutional supremacy and democratic principles have been recognized as aspects of the basic structure.

---

Q244.

The Indian Constitution establishes:

A) Single citizenship
B) Separate citizenship for each state
C) No citizenship
D) Citizenship based only on religion

Answer: A

Solution: India follows the concept of single citizenship for the entire country.

---

Q245.

The Constitution seeks to establish equality irrespective of:

A) Religion, race, caste, sex and place of birth, subject to constitutional provisions
B) Only income
C) Only education
D) Only occupation

Answer: A

Solution: Article 15 prohibits discrimination on specified grounds by the State, subject to constitutionally permitted affirmative measures.

---

Q246.

Secularism in the Indian constitutional context broadly means:

A) State religion is compulsory
B) Equal respect and constitutional protection for different religions
C) Religion is prohibited
D) Only one religion receives legal protection

Answer: B

Solution: Indian secularism emphasizes freedom of religion and equal constitutional treatment rather than establishment of a state religion.

---

Q247.

Universal adult franchise means:

A) Every adult citizen meeting legal requirements can vote without discrimination on specified grounds
B) Only educated citizens can vote
C) Only taxpayers can vote
D) Only government employees can vote

Answer: A

Solution: India adopted universal adult suffrage as a foundational democratic principle.

---

Q248.

The voting age in India was reduced from 21 to 18 by:

A) 42nd Amendment
B) 44th Amendment
C) 61st Amendment
D) 73rd Amendment

Answer: C

Solution: The 61st Constitutional Amendment reduced the voting age from 21 to 18.

---

Q249.

Which institution is known as the guardian of Fundamental Rights?

A) Supreme Court
B) Parliament
C) Election Commission
D) Finance Commission

Answer: A

Solution: Courts, particularly the Supreme Court, play a central role in protecting and enforcing Fundamental Rights.

---

Q250.

The Constitution ultimately seeks to establish:

A) Constitutional government and rule of law
B) Absolute executive power
C) Military government
D) Hereditary monarchy

Answer: A

Solution: Constitutional supremacy, rule of law, fundamental rights and democratic institutions form the foundation of India’s constitutional system.

---

PART 6 — INDIAN ECONOMY

Questions 251–300

Q251.

Economics is fundamentally concerned with:

A) Unlimited resources
B) Allocation of scarce resources among competing uses
C) Elimination of all wants
D) Only government spending

Answer: B

Solution: Scarcity and choice are fundamental economic concepts.

---

Q252.

Opportunity cost is:

A) Money price only
B) Value of the next best alternative forgone
C) Total production cost
D) Government expenditure

Answer: B

Solution: Every choice involves giving up an alternative; its value is the opportunity cost.

---

Q253.

Which of the following is a factor of production?

A) Land
B) Labour
C) Capital
D) All of the above

Answer: D

Solution: Land, labour, capital and entrepreneurship are commonly identified as factors of production.

---

Q254.

Human capital differs from physical capital because human capital is embodied in:

A) Machines
B) People
C) Buildings
D) Roads

Answer: B

Solution: Education, skills, knowledge and health embodied in people constitute human capital.

---

Q255.

GDP measures production:

A) Only by Indian citizens abroad
B) Within the domestic territory of a country
C) Only by government enterprises
D) Only in agriculture

Answer: B

Solution: GDP measures final goods and services produced within a country’s domestic territory.

---

Q256.

GNP differs from GDP because GNP considers:

A) Net factor income from abroad
B) Only domestic taxes
C) Only imports
D) Only government expenditure

Answer: A

Solution: GNP/GNI adjusts domestic production for net factor income from abroad.

---

Q257.

Nominal GDP is measured at:

A) Current prices
B) Constant prices only
C) International prices only
D) Historical prices only

Answer: A

Solution: Nominal GDP uses prevailing/current prices, while real GDP removes the effect of price changes using constant prices or an equivalent method.

---

Q258.

Real GDP is useful because it:

A) Removes or adjusts for price-level effects
B) Always increases during inflation
C) Measures only exports
D) Ignores production

Answer: A

Solution: Real GDP provides a better measure of changes in actual output by adjusting for changes in prices.

---

Q259.

Inflation refers to:

A) Persistent increase in the general price level
B) Fall in every individual price
C) Increase in production only
D) Increase in population only

Answer: A

Solution: Inflation is a sustained increase in the general price level, reducing the purchasing power of money.

---

Q260.

Deflation refers to:

A) General decline in the price level
B) Increase in every price
C) Increase in money supply only
D) Increase in exports only

Answer: A

Solution: Deflation involves a sustained decline in the general price level.

---

Q261.

The Consumer Price Index primarily measures changes in:

A) Prices faced by consumers
B) Industrial output only
C) Stock prices
D) Government revenue

Answer: A

Solution: CPI tracks changes in prices of a basket of goods and services consumed by households.

---

Q262.

The Reserve Bank of India is India’s:

A) Central bank
B) Commercial bank
C) Cooperative bank
D) Development bank only

Answer: A

Solution: RBI is India’s central monetary authority.

---

Q263.

The repo rate is the rate at which:

A) RBI lends short-term funds to eligible banks against securities
B) Banks lend to consumers only
C) Government borrows from households
D) Companies lend to RBI

Answer: A

Solution: Repo operations are an important monetary policy mechanism through which RBI provides liquidity to the banking system.

---

Q264.

If the central bank raises policy interest rates, the immediate intended effect is generally to:

A) Make borrowing more expensive and moderate demand
B) Increase borrowing automatically
C) Eliminate taxation
D) Increase exports directly

Answer: A

Solution: Higher policy rates can raise borrowing costs, reducing credit demand and helping contain inflationary pressure.

---

Q265.

CRR refers to the portion of deposits that banks must maintain with:

A) RBI
B) Parliament
C) Stock Exchange
D) SEBI

Answer: A

Solution: Cash Reserve Ratio requires banks to maintain a prescribed portion of deposits as cash reserves with RBI.

---

Q266.

SLR refers broadly to the requirement that banks maintain a portion of liabilities in:

A) Specified liquid assets
B) Foreign companies
C) Agricultural land only
D) Equity shares only

Answer: A

Solution: Statutory Liquidity Ratio requires banks to maintain prescribed liquid assets such as government securities, cash and certain approved assets.

---

Q267.

Fiscal policy primarily concerns:

A) Government taxation and expenditure
B) Bank lending only
C) Currency exchange only
D) Stock market regulation only

Answer: A

Solution: Fiscal policy uses taxation, public expenditure and borrowing to influence economic activity.

---

Q268.

A fiscal deficit indicates:

A) Government’s borrowing requirement
B) Trade surplus
C) Bank profit
D) Household savings

Answer: A

Solution: Fiscal deficit broadly represents the gap between government expenditure and receipts excluding borrowings, indicating borrowing needs.

---

Q269.

Revenue expenditure generally:

A) Does not directly create durable physical assets in the same way capital expenditure does
B) Always creates highways
C) Is always investment
D) Is never related to government salaries

Answer: A

Solution: Revenue expenditure includes items such as salaries, subsidies and interest payments; capital expenditure creates assets or reduces liabilities.

---

Q270.

Capital expenditure generally:

A) Creates assets or reduces liabilities
B) Includes only salaries
C) Is always a subsidy
D) Never affects infrastructure

Answer: A

Solution: Capital expenditure can create physical assets, provide loans or reduce liabilities.

---

Q271.

GST is primarily a:

A) Destination-based indirect tax
B) Direct tax on income
C) Wealth tax
D) Corporate dividend

Answer: A

Solution: GST is an indirect, destination-based tax on the supply of goods and services.

---

Q272.

Income tax is generally classified as:

A) Direct tax
B) Indirect tax
C) Consumption tax
D) Customs duty

Answer: A

Solution: Income tax is imposed directly on the income of individuals and entities.

---

Q273.

A tax is progressive when:

A) Tax burden as a proportion of income rises with income
B) Everyone pays the same amount
C) Poorer people pay a larger proportion
D) Tax rate falls as income rises

Answer: A

Solution: Progressive taxation imposes relatively higher tax rates or burdens as income increases.

---

Q274.

A regressive tax tends to:

A) Place relatively greater burden on lower-income groups
B) Increase with income proportionately
C) Apply only to corporations
D) Eliminate indirect taxation

Answer: A

Solution: Consumption taxes can be regressive when lower-income households spend a larger proportion of their income on taxable consumption.

---

Q275.

The balance of payments records:

A) Economic transactions between residents of a country and the rest of the world
B) Only government expenditure
C) Only domestic production
D) Only tax revenue

Answer: A

Solution: The balance of payments records transactions between residents and non-residents over a specified period.

---

Q276.

Exports of goods are recorded in:

A) Current account
B) Capital account only
C) Fiscal account
D) Monetary base

Answer: A

Solution: Trade in goods and services is part of the current account.

---

Q277.

A trade deficit occurs when:

A) Imports of goods exceed exports of goods
B) Exports exceed imports
C) Government expenditure exceeds revenue
D) Savings exceed investment

Answer: A

Solution: A merchandise trade deficit occurs when the value of imported goods exceeds exported goods.

---

Q278.

Foreign Direct Investment generally involves:

A) Long-term investment with a significant degree of control or influence in an enterprise
B) Only government borrowing
C) Purchase of domestic currency
D) Short-term household savings

Answer: A

Solution: FDI generally involves investment in productive assets or enterprises with lasting interest and influence/control.

---

Q279.

A depreciation of a currency means:

A) Its value falls relative to another currency under a market-determined exchange rate system
B) Its purchasing power always rises
C) It becomes gold-backed
D) Exports automatically stop

Answer: A

Solution: Currency depreciation means a decline in its exchange value relative to another currency.

---

Q280.

Depreciation of domestic currency may make:

A) Exports relatively cheaper for foreigners
B) Imports automatically cheaper
C) All domestic goods free
D) Inflation impossible

Answer: A

Solution: A weaker domestic currency can improve export price competitiveness, although the actual effect depends on demand conditions and import content.

---

Q281.

Unemployment means:

A) People not working who are willing and able to work and are seeking work
B) All students
C) All retired persons
D) All children

Answer: A

Solution: Standard labour-market definitions distinguish unemployed persons from those outside the labour force.

---

Q282.

Disguised unemployment is particularly associated with:

A) Agriculture with more workers than necessary
B) High-tech industries only
C) Central banking
D) Foreign trade

Answer: A

Solution: In disguised unemployment, some workers can be removed without significantly reducing total output.

---

Q283.

Seasonal unemployment occurs when:

A) Employment varies according to seasons
B) Workers permanently retire
C) Inflation rises
D) Currency depreciates

Answer: A

Solution: Certain agricultural and tourism activities generate employment only during particular seasons.

---

Q284.

Poverty can be understood as:

A) Only lack of money
B) Multidimensional deprivation involving income and access to basic capabilities and services
C) Only unemployment
D) Only lack of land

Answer: B

Solution: Modern approaches recognize poverty as multidimensional, involving health, education, living standards and economic opportunities.

---

Q285.

The Human Development approach emphasizes:

A) Expanding people’s capabilities and choices
B) Only increasing GDP
C) Only industrial output
D) Only exports

Answer: A

Solution: Human development focuses on expanding people’s capabilities, including health, education and standard of living.

---

Q286.

The Human Development Index broadly includes indicators relating to:

A) Health, education and income
B) Defence, exports and taxation
C) Population, rainfall and forests
D) Inflation, imports and money supply only

Answer: A

Solution: HDI combines dimensions related to longevity, education and standard of living.

---

Q287.

Economic growth primarily refers to:

A) Increase in real output over time
B) Increase in prices only
C) Increase in population only
D) Increase in imports only

Answer: A

Solution: Economic growth generally refers to sustained increase in real production or income.

---

Q288.

Economic development is broader than economic growth because it includes:

A) Structural and qualitative improvements in well-being
B) Only GDP
C) Only industrial output
D) Only government revenue

Answer: A

Solution: Development encompasses growth as well as improvements in health, education, equality, institutions and living standards.

---

Q289.

Inclusive growth aims to:

A) Ensure wider participation in and benefits from economic growth
B) Benefit only large corporations
C) Stop private investment
D) Eliminate agriculture

Answer: A

Solution: Inclusive growth seeks to broaden access to opportunities and ensure that benefits of growth reach disadvantaged groups.

---

Q290.

A bank primarily performs the function of:

A) Financial intermediation
B) Producing crops
C) Making laws
D) Conducting elections

Answer: A

Solution: Banks mobilize deposits and channel funds toward borrowers and productive uses.

---

Q291.

Commercial banks create credit mainly through:

A) Lending a portion of mobilized deposits subject to regulatory requirements
B) Printing currency themselves
C) Collecting taxes
D) Selling government land

Answer: A

Solution: Banks expand credit through lending and deposit creation within the monetary and regulatory framework.

---

Q292.

Which institution regulates the securities market in India?

A) RBI
B) SEBI
C) NABARD
D) UPSC

Answer: B

Solution: SEBI is the principal regulator of India’s securities market.

---

Q293.

NABARD is closely associated with:

A) Agriculture and rural development finance
B) Space research
C) Defence production
D) Stock-market regulation

Answer: A

Solution: NABARD plays an important role in agricultural and rural credit and development.

---

Q294.

The term “bank rate” is associated with:

A) Central bank lending/rediscounting policy
B) Agricultural wages
C) Customs duty
D) Income tax

Answer: A

Solution: Bank rate is a central bank policy rate historically associated with lending/rediscounting mechanisms.

---

Q295.

Public expenditure on education can contribute to:

A) Human capital formation
B) Currency depreciation automatically
C) Trade deficit automatically
D) Reduction of skills

Answer: A

Solution: Education improves knowledge, skills and productivity, strengthening human capital.

---

Q296.

Infrastructure contributes to economic development by:

A) Reducing transaction costs and improving connectivity/productivity
B) Eliminating all poverty immediately
C) Preventing trade
D) Reducing productive capacity

Answer: A

Solution: Transport, electricity, communication and digital infrastructure improve productivity and economic connectivity.

---

Q297.

Which of the following is a merit good commonly discussed in economics?

A) Education
B) Luxury yacht
C) Jewellery
D) Gambling

Answer: A

Solution: Education is often considered a merit good because its social benefits can exceed private benefits.

---

Q298.

Market failure occurs when:

A) Markets fail to allocate resources efficiently under certain conditions
B) Every market makes profit
C) Demand equals supply
D) Inflation is zero

Answer: A

Solution: Externalities, public goods, information asymmetry and market power can cause market failure.

---

Q299.

Pollution caused by a factory imposing costs on nearby residents is an example of:

A) Positive externality
B) Negative externality
C) Public good
D) Consumer surplus

Answer: B

Solution: A negative externality occurs when an economic activity imposes uncompensated costs on third parties.

---

Q300.

Which of the following best represents sustainable economic development?

A) Maximum resource extraction without environmental safeguards
B) Economic progress combined with social inclusion and environmental sustainability
C) Complete elimination of economic activity
D) Growth based only on fossil fuels

Answer: B

Solution: Sustainable development seeks a balance among economic growth, social well-being and environmental protection.

ALS IAS Scholarship Test — UPSC Level

NCERT-Based MCQs | English Medium

Questions 301–500

Environment + Science + Mixed UPSC Prelims

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PART 7 — ENVIRONMENT & ECOLOGY

Questions 301–350

Q301.

Which of the following best defines an ecosystem?

A) A group of animals living in one area
B) Interaction between living organisms and their physical environment
C) Only a forest community
D) Only microorganisms in soil

Answer: B

Solution: An ecosystem consists of biotic organisms and abiotic components interacting with each other.

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Q302.

Which of the following is an abiotic component of an ecosystem?

A) Plants
B) Animals
C) Temperature
D) Bacteria

Answer: C

Solution: Abiotic components are non-living factors such as temperature, water, soil, sunlight and minerals.

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Q303.

The primary producers in most terrestrial ecosystems are:

A) Herbivores
B) Green plants
C) Carnivores
D) Decomposers

Answer: B

Solution: Green plants produce organic matter through photosynthesis and form the first trophic level.

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Q304.

Which organisms occupy the first trophic level?

A) Primary consumers
B) Producers
C) Secondary consumers
D) Decomposers

Answer: B

Solution: Producers form the first trophic level because they convert solar energy into chemical energy.

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Q305.

Herbivores generally occupy:

A) First trophic level
B) Second trophic level
C) Third trophic level
D) Fourth trophic level

Answer: B

Solution: Herbivores consume producers and therefore constitute the second trophic level.

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Q306.

The “10 percent law” is associated with:

A) Population growth
B) Energy transfer between trophic levels
C) Atmospheric pressure
D) Water pollution

Answer: B

Solution: Lindeman’s 10 percent law states that, approximately, only a small fraction—traditionally about 10%—of energy at one trophic level is transferred to the next.

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Q307.

Which ecological pyramid is always upright?

A) Pyramid of energy
B) Pyramid of biomass
C) Pyramid of numbers
D) All can be inverted

Answer: A

Solution: Energy decreases at successive trophic levels, so the energy pyramid is always upright.

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Q308.

A food web differs from a food chain because it:

A) Contains only one feeding pathway
B) Represents interconnected feeding relationships
C) Excludes producers
D) Contains only carnivores

Answer: B

Solution: A food web consists of multiple interconnected food chains.

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Q309.

Decomposers mainly include:

A) Bacteria and fungi
B) Birds and mammals
C) Fish and reptiles
D) Trees and grasses

Answer: A

Solution: Bacteria and fungi break down dead organic matter and recycle nutrients.

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Q310.

Nitrogen fixation converts atmospheric nitrogen into:

A) Forms usable by organisms
B) Oxygen
C) Carbon dioxide
D) Methane only

Answer: A

Solution: Nitrogen fixation converts atmospheric N₂ into biologically usable nitrogen compounds.

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Q311.

Which organisms can fix atmospheric nitrogen?

A) Certain bacteria
B) All animals
C) All plants
D) All fungi

Answer: A

Solution: Certain bacteria, including symbiotic bacteria associated with legumes, fix atmospheric nitrogen.

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Q312.

Eutrophication is commonly caused by excessive input of:

A) Nutrients such as nitrogen and phosphorus
B) Oxygen
C) Sand
D) Sunlight

Answer: A

Solution: Excess nutrients promote algal growth, which can reduce dissolved oxygen and harm aquatic ecosystems.

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Q313.

Biological Oxygen Demand (BOD) is associated with:

A) Organic pollution of water
B) Soil fertility only
C) Atmospheric pressure
D) Earthquakes

Answer: A

Solution: BOD indicates the amount of oxygen microorganisms require to decompose organic matter in water.

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Q314.

High BOD in a water body generally indicates:

A) Low organic pollution
B) High organic pollution
C) Pure drinking water
D) Absence of microorganisms

Answer: B

Solution: High organic matter provides more substrate for microbial decomposition, increasing oxygen demand.

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Q315.

Biomagnification refers to:

A) Increase in concentration of certain pollutants along food chains
B) Increase in forest area
C) Growth of plants
D) Increase in soil moisture

Answer: A

Solution: Persistent pollutants such as certain pesticides can become increasingly concentrated at higher trophic levels.

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Q316.

Which pollutant is classically associated with biomagnification?

A) DDT
B) Oxygen
C) Nitrogen
D) Water vapour

Answer: A

Solution: DDT is a persistent pollutant that can accumulate in organisms and biomagnify through food chains.

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Q317.

Ozone in the stratosphere is beneficial because it:

A) Absorbs harmful ultraviolet radiation
B) Produces carbon dioxide
C) Increases acid rain
D) Prevents photosynthesis

Answer: A

Solution: Stratospheric ozone absorbs much of the Sun’s harmful UV-B and UV-C radiation.

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Q318.

The Montreal Protocol is primarily associated with:

A) Ozone-depleting substances
B) Climate finance
C) Biodiversity
D) Desertification

Answer: A

Solution: The Montreal Protocol regulates substances responsible for depletion of the stratospheric ozone layer.

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Q319.

The Kyoto Protocol was primarily related to:

A) Greenhouse gas emissions
B) Wildlife trade
C) Ocean navigation
D) Nuclear energy

Answer: A

Solution: The Kyoto Protocol established emission-reduction commitments for developed countries under the UN climate framework.

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Q320.

The Paris Agreement is associated with:

A) Climate change
B) Marine piracy
C) Ozone depletion only
D) Nuclear disarmament

Answer: A

Solution: The Paris Agreement aims to strengthen global action against climate change.

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Q321.

Which gas is a major anthropogenic greenhouse gas?

A) Carbon dioxide
B) Helium
C) Neon
D) Argon

Answer: A

Solution: Carbon dioxide is a major greenhouse gas emitted through fossil-fuel combustion, land-use change and other activities.

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Q322.

Methane is important in climate change because:

A) It is a greenhouse gas
B) It is inert
C) It destroys all oxygen
D) It is the main component of ozone

Answer: A

Solution: Methane has a strong warming effect per unit mass over relevant time periods.

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Q323.

The main human activity responsible for rising atmospheric CO₂ is:

A) Fossil-fuel combustion
B) Photosynthesis
C) Rainfall
D) Tidal movement

Answer: A

Solution: Burning coal, oil and natural gas releases large quantities of carbon dioxide.

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Q324.

Deforestation can contribute to climate change because:

A) Forests store carbon
B) Trees produce fossil fuels
C) Forests eliminate rainfall
D) Trees prevent all erosion

Answer: A

Solution: Forests store carbon in vegetation and soils. Deforestation can release this carbon into the atmosphere.

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Q325.

Which is a major ecosystem service provided by forests?

A) Carbon sequestration
B) Only timber production
C) Only tourism
D) Only mining

Answer: A

Solution: Forests provide multiple ecosystem services including carbon storage, water regulation, soil protection and biodiversity conservation.

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Q326.

A biodiversity hotspot generally has:

A) High endemism and significant habitat loss
B) No species diversity
C) Only deserts
D) No human pressure

Answer: A

Solution: Biodiversity hotspots are regions with high concentrations of endemic species that face significant habitat loss.

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Q327.

An endemic species is one that:

A) Is naturally restricted to a particular geographical area
B) Occurs everywhere
C) Is always domesticated
D) Is necessarily extinct

Answer: A

Solution: Endemic species have a naturally restricted geographic distribution.

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Q328.

In-situ conservation means:

A) Conservation within natural habitats
B) Conservation only in laboratories
C) Conservation only in zoos
D) Conservation through genetic engineering only

Answer: A

Solution: National parks, wildlife sanctuaries and biosphere reserves are examples of in-situ conservation.

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Q329.

Ex-situ conservation includes:

A) National parks
B) Wildlife in natural habitats
C) Zoos and botanical gardens
D) Sacred forests only

Answer: C

Solution: Ex-situ conservation protects species outside their natural habitats.

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Q330.

A biosphere reserve generally aims to:

A) Combine conservation with sustainable use and research
B) Promote only mining
C) Eliminate all human activity everywhere
D) Protect only one species

Answer: A

Solution: Biosphere reserves are designed to integrate conservation, sustainable development and scientific research.

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Q331.

National parks generally provide:

A) Strong protection to ecosystems and wildlife
B) Only agricultural land
C) Industrial zones
D) Mining areas

Answer: A

Solution: National parks provide a high level of legal protection to ecosystems and wildlife.

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Q332.

Wildlife corridors are important because they:

A) Connect fragmented habitats
B) Increase urban traffic
C) Reduce biodiversity
D) Prevent animal movement

Answer: A

Solution: Corridors allow animals to move between fragmented habitats, supporting gene flow and reducing isolation.

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Q333.

Habitat fragmentation can lead to:

A) Greater isolation of populations
B) Automatic increase in biodiversity
C) Elimination of all ecological pressures
D) Unlimited migration

Answer: A

Solution: Fragmentation divides habitats into smaller patches, often isolating populations and increasing extinction risks.

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Q334.

The IUCN Red List primarily provides information on:

A) Conservation status of species
B) Global stock prices
C) Weather forecasts
D) Soil types

Answer: A

Solution: The IUCN Red List assesses extinction risk and conservation status of species.

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Q335.

Which category indicates the highest extinction risk among the following?

A) Least Concern
B) Vulnerable
C) Endangered
D) Critically Endangered

Answer: D

Solution: Critically Endangered is a higher-risk category than Endangered and Vulnerable.

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Q336.

The term “keystone species” refers to a species that:

A) Has a disproportionately large ecological effect relative to its abundance
B) Is always the largest animal
C) Is always a producer
D) Lives only in deserts

Answer: A

Solution: Removing a keystone species can cause major changes in ecosystem structure and function.

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Q337.

Invasive alien species can:

A) Disrupt native ecosystems
B) Always increase native biodiversity
C) Never compete with native species
D) Have no ecological effect

Answer: A

Solution: Invasive species may compete with, prey upon or otherwise negatively affect native organisms.

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Q338.

The Ramsar Convention is associated with:

A) Wetlands
B) Mountains
C) Deserts
D) Ozone layer

Answer: A

Solution: The Ramsar Convention provides a framework for conservation and wise use of wetlands.

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Q339.

Wetlands are important because they can:

A) Store water and support biodiversity
B) Eliminate all floods
C) Produce fossil fuels
D) Prevent all evaporation

Answer: A

Solution: Wetlands provide habitat, water storage, flood moderation, nutrient cycling and other ecosystem services.

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Q340.

Coral bleaching is strongly associated with:

A) Stress such as unusually warm seawater
B) Low atmospheric pressure only
C) Increased soil fertility
D) Snowfall

Answer: A

Solution: Elevated sea temperatures can cause corals to expel their symbiotic algae, resulting in bleaching.

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Q341.

Coral reefs are often described as:

A) Highly productive marine ecosystems
B) Desert ecosystems
C) Freshwater forests
D) Alpine ecosystems

Answer: A

Solution: Coral reefs support exceptionally high marine biodiversity.

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Q342.

Mangrove ecosystems are particularly effective in:

A) Coastal protection
B) Increasing desertification
C) Eliminating marine biodiversity
D) Preventing tides

Answer: A

Solution: Mangroves reduce wave energy, trap sediments and help protect coastal areas.

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Q343.

Which of the following is a primary pollutant?

A) Carbon monoxide emitted directly from vehicles
B) Ozone formed in the atmosphere
C) PAN formed through reactions
D) Secondary aerosols

Answer: A

Solution: Primary pollutants are emitted directly from sources. Ozone and PAN are examples of secondary pollutants.

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Q344.

Photochemical smog is commonly associated with:

A) Nitrogen oxides and hydrocarbons in sunlight
B) Pure oxygen
C) Water vapour only
D) Nitrogen gas alone

Answer: A

Solution: Sunlight-driven reactions involving nitrogen oxides and volatile organic compounds produce photochemical smog.

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Q345.

Acid rain is mainly associated with emissions of:

A) Sulphur dioxide and nitrogen oxides
B) Oxygen and hydrogen
C) Helium and neon
D) Carbon monoxide only

Answer: A

Solution: SO₂ and NOx form acids through atmospheric chemical reactions and can be deposited as acid precipitation.

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Q346.

Which of the following is a consequence of excessive groundwater extraction?

A) Falling water table
B) Automatic increase in rainfall
C) Formation of glaciers
D) Increase in sea level directly

Answer: A

Solution: Excessive withdrawal can lower groundwater levels and cause wells to dry up.

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Q347.

Desertification refers broadly to:

A) Land degradation in dryland regions
B) Formation of all deserts naturally
C) Increase in rainfall
D) Glacier formation

Answer: A

Solution: Desertification is land degradation in arid, semi-arid and dry sub-humid regions due to climatic variations and human activities.

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Q348.

Afforestation means:

A) Establishing forests on land that was not recently forested
B) Cutting old forests
C) Converting forests into cities
D) Mining forest areas

Answer: A

Solution: Afforestation involves establishing tree cover on land without recent forest cover.

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Q349.

Reforestation means:

A) Re-establishing forests in previously forested areas
B) Destroying forests
C) Expanding deserts
D) Building dams

Answer: A

Solution: Reforestation restores forest cover where forests have previously existed.

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Q350.

The precautionary principle suggests that:

A) Lack of complete scientific certainty should not justify postponing measures against serious environmental harm
B) Environmental action must always wait for absolute proof
C) Economic growth should always override environmental concerns
D) Pollution should be ignored

Answer: A

Solution: The precautionary principle encourages preventive action when there is a credible risk of serious or irreversible environmental damage.

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PART 8 — GENERAL SCIENCE

Questions 351–400

Q351.

The basic structural and functional unit of life is:

A) Tissue
B) Cell
C) Organ
D) Organ system

Answer: B

Solution: The cell is the basic structural and functional unit of living organisms.

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Q352.

The cell membrane is primarily responsible for:

A) Controlling movement of substances into and out of the cell
B) Producing sunlight
C) Storing genetic information exclusively
D) Producing bones

Answer: A

Solution: The selectively permeable cell membrane regulates movement of substances.

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Q353.

The nucleus contains:

A) Genetic material in eukaryotic cells
B) Only water
C) Only proteins
D) Digestive enzymes only

Answer: A

Solution: The nucleus contains chromosomes composed primarily of DNA and associated proteins.

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Q354.

Mitochondria are commonly known as:

A) Powerhouses of the cell
B) Control centres of blood
C) Protein storage organs
D) Cell walls

Answer: A

Solution: Mitochondria generate much of the cell’s ATP through cellular respiration.

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Q355.

Ribosomes are primarily involved in:

A) Protein synthesis
B) Photosynthesis
C) DNA destruction
D) Fat storage only

Answer: A

Solution: Ribosomes translate messenger RNA into proteins.

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Q356.

Photosynthesis occurs mainly in:

A) Chloroplasts
B) Mitochondria
C) Lysosomes
D) Ribosomes

Answer: A

Solution: Chloroplasts contain chlorophyll and are the major sites of photosynthesis in plants.

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Q357.

The green pigment involved in photosynthesis is:

A) Haemoglobin
B) Chlorophyll
C) Melanin
D) Keratin

Answer: B

Solution: Chlorophyll absorbs light energy used in photosynthesis.

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Q358.

Human blood contains which cells primarily responsible for oxygen transport?

A) Platelets
B) Red blood cells
C) White blood cells
D) Plasma cells

Answer: B

Solution: Red blood cells contain haemoglobin, which transports oxygen.

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Q359.

Haemoglobin contains:

A) Iron
B) Calcium only
C) Sodium only
D) Iodine only

Answer: A

Solution: Iron in haemoglobin binds oxygen reversibly.

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Q360.

White blood cells primarily function in:

A) Defence against pathogens
B) Oxygen transport
C) Blood clotting only
D) Digestion

Answer: A

Solution: White blood cells are major components of the immune system.

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Q361.

Platelets are important for:

A) Blood clotting
B) Oxygen transport
C) Digestion
D) Hormone production

Answer: A

Solution: Platelets help initiate and support blood clot formation.

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Q362.

The human heart normally has:

A) Two chambers
B) Three chambers
C) Four chambers
D) Five chambers

Answer: C

Solution: The human heart has two atria and two ventricles.

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Q363.

Arteries generally carry blood:

A) Away from the heart
B) Toward the heart only
C) Only without oxygen
D) Only with carbon dioxide

Answer: A

Solution: Arteries are defined by carrying blood away from the heart. The pulmonary artery is an important exception to the usual oxygen-content pattern.

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Q364.

The pulmonary artery carries:

A) Deoxygenated blood from heart to lungs
B) Oxygenated blood from lungs to heart
C) Oxygenated blood to the brain
D) Blood from kidneys to heart

Answer: A

Solution: The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs.

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Q365.

The functional unit of the kidney is:

A) Neuron
B) Nephron
C) Alveolus
D) Villus

Answer: B

Solution: Nephrons filter blood and participate in urine formation.

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Q366.

Gas exchange in human lungs primarily occurs in:

A) Alveoli
B) Trachea
C) Bronchi
D) Diaphragm

Answer: A

Solution: Alveoli provide a large surface area for exchange of oxygen and carbon dioxide.

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Q367.

Insulin is produced by:

A) Pancreas
B) Liver
C) Kidney
D) Thyroid

Answer: A

Solution: Insulin is produced by beta cells of the pancreatic islets.

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Q368.

Insulin helps regulate:

A) Blood glucose
B) Body temperature only
C) Blood oxygen only
D) Bone length

Answer: A

Solution: Insulin lowers blood glucose by promoting glucose uptake and storage.

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Q369.

Thyroxine production requires:

A) Iodine
B) Iron only
C) Calcium only
D) Sodium only

Answer: A

Solution: Iodine is essential for synthesis of thyroid hormones.

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Q370.

Vitamin D is important for:

A) Calcium metabolism and bone health
B) Blood clotting only
C) Vision only
D) DNA replication only

Answer: A

Solution: Vitamin D helps maintain calcium and phosphate balance and supports bone mineralization.

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Q371.

Vitamin A deficiency may cause:

A) Night blindness
B) Scurvy
C) Beriberi
D) Rickets

Answer: A

Solution: Vitamin A is important for normal vision, particularly under low-light conditions.

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Q372.

Vitamin C deficiency causes:

A) Scurvy
B) Rickets
C) Beriberi
D) Night blindness

Answer: A

Solution: Vitamin C is required for collagen synthesis; severe deficiency causes scurvy.

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Q373.

Vitamin B1 deficiency is associated with:

A) Beriberi
B) Scurvy
C) Rickets
D) Goitre

Answer: A

Solution: Thiamine or vitamin B1 deficiency can cause beriberi.

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Q374.

DNA replication is described as:

A) Semi-conservative
B) Completely random
C) Destructive
D) Impossible

Answer: A

Solution: Each daughter DNA molecule contains one parental strand and one newly synthesized strand.

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Q375.

Genes are:

A) Functional units of hereditary information
B) Only proteins
C) Only carbohydrates
D) Blood cells

Answer: A

Solution: Genes are DNA sequences that carry hereditary information and can encode functional products.

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Q376.

Natural selection acts directly on:

A) Phenotypic variation
B) Earth’s rotation
C) DNA molecules only
D) Fossils

Answer: A

Solution: Natural selection operates on observable traits, while inherited genetic variation provides the underlying basis.

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Q377.

An atom consists primarily of:

A) Nucleus and electrons
B) Only neutrons
C) Only protons
D) Only electrons

Answer: A

Solution: Atoms contain a nucleus of protons and neutrons surrounded by electrons.

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Q378.

The atomic number of an element equals the number of:

A) Protons
B) Neutrons
C) Electrons plus neutrons
D) Nucleons only

Answer: A

Solution: Atomic number is defined by the number of protons in the nucleus.

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Q379.

Isotopes have:

A) Same atomic number but different mass numbers
B) Different atomic numbers and same mass number always
C) No protons
D) No electrons

Answer: A

Solution: Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons.

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Q380.

The pH of a neutral solution at approximately room temperature is:

A) 0
B) 5
C) 7
D) 14

Answer: C

Solution: Pure water is approximately neutral at pH 7 under standard classroom conditions.

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Q381.

An acid generally has:

A) pH below 7
B) pH exactly 7
C) pH above 7
D) No hydrogen ions

Answer: A

Solution: Acidic solutions have higher hydrogen-ion activity and generally pH below 7.

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Q382.

A base generally has:

A) pH below 7
B) pH above 7
C) No ions
D) Only hydrogen ions

Answer: B

Solution: Basic solutions generally have pH greater than 7.

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Q383.

Which gas is released during photosynthesis?

A) Oxygen
B) Nitrogen
C) Methane
D) Hydrogen

Answer: A

Solution: Oxygen is released as a by-product of the light-dependent reactions of photosynthesis.

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Q384.

Combustion generally requires:

A) Fuel and an oxidizing agent
B) Only water
C) Only nitrogen
D) Complete absence of oxygen

Answer: A

Solution: Combustion is a chemical reaction involving oxidation, commonly with oxygen.

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Q385.

Rusting of iron requires:

A) Oxygen and moisture
B) Nitrogen only
C) Carbon dioxide only
D) Complete dryness

Answer: A

Solution: Rusting is an electrochemical oxidation process requiring water/moisture and oxygen.

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Q386.

The SI unit of force is:

A) Joule
B) Newton
C) Watt
D) Pascal

Answer: B

Solution: Force is measured in newtons.

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Q387.

The SI unit of energy is:

A) Watt
B) Joule
C) Newton
D) Ampere

Answer: B

Solution: Energy and work are measured in joules.

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Q388.

Power is defined as:

A) Rate of doing work
B) Total mass
C) Force divided by distance only
D) Energy stored in matter only

Answer: A

Solution: Power is the rate at which work is done or energy is transferred.

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Q389.

The SI unit of power is:

A) Joule
B) Watt
C) Newton
D) Volt

Answer: B

Solution: One watt equals one joule per second.

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Q390.

Acceleration is:

A) Rate of change of velocity
B) Distance travelled only
C) Mass multiplied by volume
D) Force divided by time

Answer: A

Solution: Acceleration measures how quickly velocity changes with time.

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Q391.

Newton’s first law is also called the law of:

A) Inertia
B) Gravitation
C) Conservation of energy
D) Action-reaction

Answer: A

Solution: Newton’s first law states that an object maintains its state of rest or uniform motion unless acted upon by an external unbalanced force.

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Q392.

Newton’s third law states:

A) Every action has an equal and opposite reaction
B) Force equals mass plus acceleration
C) Energy is destroyed
D) Objects always remain stationary

Answer: A

Solution: Forces occur in equal and opposite pairs acting on different bodies.

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Q393.

The approximate acceleration due to gravity near Earth’s surface is:

A) 1.8 m/s²
B) 4.9 m/s²
C) 9.8 m/s²
D) 98 m/s²

Answer: C

Solution: Standard gravitational acceleration near Earth’s surface is approximately 9.8 m/s².

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Q394.

An object floats in water when:

A) Its average density is less than that of water
B) Its density is always greater than water
C) Gravity disappears
D) Its mass becomes zero

Answer: A

Solution: An object can float when its average density is less than the density of the fluid.

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Q395.

Sound requires:

A) A material medium
B) Complete vacuum
C) Only sunlight
D) Magnetic field only

Answer: A

Solution: Sound is a mechanical wave and requires a medium for propagation.

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Q396.

Light is:

A) An electromagnetic wave
B) A mechanical wave only
C) A sound wave
D) A water wave

Answer: A

Solution: Visible light is electromagnetic radiation and can travel through vacuum.

---

Q397.

The speed of light is greatest in:

A) Glass
B) Water
C) Vacuum
D) Diamond

Answer: C

Solution: Light travels at its maximum speed in vacuum, approximately 3 × 10⁸ m/s.

---

Q398.

A convex lens generally:

A) Converges parallel rays
B) Always diverges rays
C) Blocks light completely
D) Produces sound

Answer: A

Solution: A convex lens is a converging lens and can bring parallel rays to a focus.

---

Q399.

Electric current is measured in:

A) Volt
B) Ampere
C) Ohm
D) Watt

Answer: B

Solution: The SI unit of electric current is the ampere.

---

Q400.

Ohm’s law is expressed as:

A) V = IR
B) P = mgh
C) F = ma²
D) E = mc

Answer: A

Solution: For an ohmic conductor under constant physical conditions, voltage is proportional to current: V = IR.

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PART 9 — MIXED UPSC-STYLE NCERT QUESTIONS

Questions 401–450

Q401.

Consider the following statements:

1. The Harappans used standardized weights.
2. Harappan cities had drainage systems.
3. Iron was the principal metal of Harappan civilization.

Which is correct?

A) 1 and 2 only
B) 2 only
C) 1 and 3 only
D) All three

Answer: A

Solution: Iron was not the principal metal. Copper and bronze were more characteristic.

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Q402.

Consider the following pairs:

1. Buddha — Middle Path
2. Mahavira — Ahimsa
3. Ashoka — Dhamma

Which pairs are correctly matched?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: All three associations are correct.

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Q403.

Which factor most directly enabled the emergence of cities in the Ganga plains during the first millennium BCE?

A) Expansion of agriculture and use of iron
B) Decline of agriculture
C) End of trade
D) Disappearance of political states

Answer: A

Solution: Agricultural expansion, iron technology, population growth and trade contributed to urbanization.

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Q404.

Consider the following statements about Ashoka:

1. He issued inscriptions.
2. He promoted Dhamma.
3. His inscriptions were found only outside India.

Which are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Ashokan inscriptions are found across the Indian subcontinent, not only outside India.

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Q405.

Which of the following is correctly matched?

A) Gandhara — Greco-Roman influence
B) Mathura — European Renaissance
C) Mughal painting — Harappan civilization
D) Ajanta — Modern industrial art

Answer: A

Solution: Gandhara sculpture reflects strong Hellenistic/Greco-Roman influence.

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Q406.

Consider the following:

1. Latitude influences climate.
2. Altitude influences temperature.
3. Distance from sea influences climatic conditions.

Which are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: All three are important climatic controls.

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Q407.

Why are coastal areas generally less extreme in temperature than interior regions?

A) Influence of the sea
B) Higher gravity
C) Absence of sunlight
D) Greater latitude alone

Answer: A

Solution: Water heats and cools more slowly than land, moderating coastal temperatures.

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Q408.

Which river system is associated with the Sundarbans?

A) Narmada-Tapi
B) Ganga-Brahmaputra
C) Krishna-Godavari only
D) Mahanadi only

Answer: B

Solution: The Sundarbans lie in the delta formed by the Ganga, Brahmaputra and associated rivers.

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Q409.

Which statement about black soil is most appropriate?

A) It has high moisture-retention capacity
B) It is formed only by glaciers
C) It is unsuitable for cotton
D) It occurs only in Himalayan regions

Answer: A

Solution: Black soil is clay-rich and has high moisture-retention capacity, making it suitable for cotton.

---

Q410.

Consider the following:

1. Fundamental Rights are enforceable by courts.
2. Directive Principles are generally non-justiciable.
3. Fundamental Duties were part of the original Constitution.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Fundamental Duties were added in 1976 and were not part of the original Constitution.

---

Q411.

Which constitutional provision is directly associated with equality before law?

A) Article 14
B) Article 19
C) Article 21
D) Article 32

Answer: A

Solution: Article 14 guarantees equality before law and equal protection of laws.

---

Q412.

Consider the following statements:

1. Rajya Sabha is a permanent House.
2. One-third of its members retire every two years.
3. It can never pass legislation.

Which are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Rajya Sabha is a legislative chamber and participates in law-making.

---

Q413.

Which institution is responsible for monetary policy in India?

A) RBI
B) Finance Commission
C) Parliament alone
D) NITI Aayog

Answer: A

Solution: RBI is the monetary authority responsible for monetary policy.

---

Q414.

Which is a direct tax?

A) GST
B) Customs duty
C) Income tax
D) Excise duty

Answer: C

Solution: Income tax is directly imposed on income.

---

Q415.

Which of the following would most likely increase fiscal deficit, other things being equal?

A) Increase in government expenditure without corresponding increase in receipts
B) Increase in tax revenue
C) Reduction in government spending
D) Increase in non-tax revenue

Answer: A

Solution: Higher expenditure without corresponding receipts increases the government’s borrowing requirement.

---

Q416.

Which statement best describes inflation?

A) Persistent increase in general price level
B) Increase in production only
C) Fall in all prices
D) Increase in employment only

Answer: A

Solution: Inflation involves sustained increase in the general price level.

---

Q417.

Consider the following:

1. Carbon dioxide is a greenhouse gas.
2. Methane is a greenhouse gas.
3. Oxygen is the principal anthropogenic greenhouse gas.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Oxygen is not a greenhouse gas in the same sense as CO₂ and methane.

---

Q418.

Which process transfers carbon from atmosphere to plants?

A) Photosynthesis
B) Respiration
C) Combustion
D) Decomposition only

Answer: A

Solution: Plants absorb atmospheric CO₂ during photosynthesis and incorporate carbon into organic compounds.

---

Q419.

Which of the following can contribute to eutrophication?

A) Excess fertilizer runoff
B) Reduction in nutrients
C) Increased dissolved oxygen alone
D) Reduced algal growth

Answer: A

Solution: Nitrogen and phosphorus from fertilizers can enter water bodies and promote excessive algal growth.

---

Q420.

Which conservation strategy protects species in their natural environment?

A) In-situ conservation
B) Ex-situ conservation
C) Artificial selection
D) Genetic isolation

Answer: A

Solution: In-situ conservation protects organisms in their natural ecosystems.

---

Q421.

A species restricted to a particular island and found nowhere else is:

A) Cosmopolitan
B) Endemic
C) Invasive
D) Migratory

Answer: B

Solution: A species naturally restricted to a specific geographical region is endemic.

---

Q422.

Which of the following is a renewable energy source?

A) Coal
B) Petroleum
C) Solar
D) Natural gas

Answer: C

Solution: Solar energy is naturally replenished.

---

Q423.

Which statement about food chains is correct?

A) Energy is recycled indefinitely
B) Energy generally flows in one direction
C) Producers consume carnivores
D) Decomposers never interact with dead organisms

Answer: B

Solution: Energy enters ecosystems primarily through producers and is progressively dissipated as heat.

---

Q424.

Which nutrient cycle involves a major atmospheric reservoir?

A) Nitrogen cycle
B) Phosphorus cycle only
C) Calcium cycle only
D) Potassium cycle only

Answer: A

Solution: The atmosphere is the largest reservoir of nitrogen.

---

Q425.

Which of the following is an example of a negative externality?

A) Factory pollution affecting nearby residents
B) Education benefiting society
C) Vaccination reducing disease transmission
D) Tree planting improving local air

Answer: A

Solution: Pollution imposes an uncompensated cost on third parties.

---

Q426.

Education can generate a positive externality because:

A) Its benefits can extend beyond the individual receiving education
B) It always reduces productivity
C) It creates pollution automatically
D) It prevents economic growth

Answer: A

Solution: Educated individuals can contribute to social productivity, civic participation and innovation.

---

Q427.

Which of the following is a public good characteristic?

A) Non-rivalry and non-excludability
B) Scarcity only
C) Private ownership only
D) Profit maximization only

Answer: A

Solution: Pure public goods are generally non-rival and non-excludable.

---

Q428.

Which institution conducts elections to Parliament and state legislatures?

A) Election Commission of India
B) Finance Commission
C) UPSC
D) RBI

Answer: A

Solution: The Election Commission exercises constitutional authority over these elections.

---

Q429.

Which of the following is a constitutional body?

A) Election Commission
B) NITI Aayog
C) National Development Council
D) GST Council Secretariat as a standalone department

Answer: A

Solution: The Election Commission is established under Article 324 of the Constitution.

---

Q430.

The CAG primarily ensures:

A) Audit and accountability of public finances
B) Monetary policy
C) Election scheduling
D) Foreign policy

Answer: A

Solution: CAG audits government receipts and expenditure and reports findings to legislatures.

---

Q431.

Which of the following is associated with local self-government?

A) Gram Sabha
B) Supreme Court
C) RBI
D) Election Commission only

Answer: A

Solution: Gram Sabha is a foundational institution of rural local self-government.

---

Q432.

The 73rd Constitutional Amendment relates to:

A) Panchayats
B) Municipalities
C) Fundamental Rights
D) Emergency provisions

Answer: A

Solution: The 73rd Amendment constitutionalized Panchayati Raj institutions.

---

Q433.

The 74th Constitutional Amendment relates to:

A) Municipalities
B) Panchayats
C) Supreme Court
D) Parliament’s upper house

Answer: A

Solution: The 74th Amendment deals with urban local bodies.

---

Q434.

Which institution recommends distribution of certain tax revenues between Union and States?

A) Finance Commission
B) Election Commission
C) UPSC
D) CAG

Answer: A

Solution: The Finance Commission recommends principles for fiscal devolution.

---

Q435.

Which of the following is most closely related to human capital?

A) Education and skills
B) Roads only
C) Machines only
D) Buildings only

Answer: A

Solution: Education, skills and health enhance human capabilities and productivity.

---

Q436.

A country’s per capita income is calculated by:

A) National income divided by population
B) Population divided by exports
C) GDP divided by land area
D) Government revenue divided by exports

Answer: A

Solution: Per capita income is an average income measure obtained by dividing national income by population.

---

Q437.

Which measure is generally more useful for comparing real economic growth over time?

A) Real GDP
B) Nominal GDP alone
C) Money supply alone
D) Tax revenue alone

Answer: A

Solution: Real GDP adjusts for price changes and therefore better reflects changes in actual output.

---

Q438.

Which event directly contributed to the launch of the Civil Disobedience Movement?

A) Dandi March
B) Chauri Chaura
C) Partition of Bengal
D) Revolt of 1857

Answer: A

Solution: Gandhi’s Salt March to Dandi in 1930 launched the Civil Disobedience phase.

---

Q439.

Which event occurred first?

A) Quit India Movement
B) Non-Cooperation Movement
C) Civil Disobedience Movement
D) Cabinet Mission

Answer: B

Solution: The sequence is Non-Cooperation (1920), Civil Disobedience (1930), Quit India (1942), Cabinet Mission (1946).

---

Q440.

Which movement was withdrawn following Chauri Chaura?

A) Non-Cooperation Movement
B) Civil Disobedience Movement
C) Quit India Movement
D) Swadeshi Movement

Answer: A

Solution: Gandhi withdrew the Non-Cooperation Movement in 1922 after the Chauri Chaura violence.

---

Q441.

The Drain Theory was associated with:

A) Dadabhai Naoroji
B) Gandhi
C) Subhas Bose
D) B.R. Ambedkar

Answer: A

Solution: Dadabhai Naoroji explained how colonial economic arrangements transferred wealth from India to Britain.

---

Q442.

The Swadeshi Movement was closely associated with opposition to:

A) Partition of Bengal
B) Rowlatt Act
C) Salt tax
D) Government of India Act 1935

Answer: A

Solution: The Swadeshi Movement emerged strongly in response to the 1905 Partition of Bengal.

---

Q443.

The immediate context of the Revolt of 1857 included:

A) Military grievances
B) Political annexations
C) Economic and social grievances
D) All of the above

Answer: D

Solution: The revolt had multiple causes, including military discontent, political annexations, economic exploitation and social-religious anxieties.

---

Q444.

The first session of the Indian National Congress was presided over by:

A) W.C. Bonnerjee
B) Dadabhai Naoroji
C) Gandhi
D) Tilak

Answer: A

Solution: W.C. Bonnerjee presided over the first Congress session in Bombay in 1885.

---

Q445.

Which statement about the Constitution is correct?

A) It is entirely rigid
B) It is entirely flexible
C) It combines both rigid and flexible elements
D) It cannot be amended

Answer: C

Solution: Different constitutional provisions require different amendment procedures.

---

Q446.

The basic structure doctrine limits:

A) Parliament’s power to amend the Constitution
B) Election Commission’s power
C) RBI’s monetary powers
D) State government’s taxation only

Answer: A

Solution: Parliament can amend the Constitution but cannot destroy its basic structure.

---

Q447.

Which Fundamental Right protects freedom of religion?

A) Articles 25–28
B) Articles 14–18
C) Articles 19–22
D) Articles 29–30 only

Answer: A

Solution: Articles 25–28 deal with freedom of religion.

---

Q448.

Cultural and educational rights are primarily covered under:

A) Articles 29–30
B) Articles 14–18
C) Articles 19–22
D) Articles 32–35

Answer: A

Solution: Articles 29 and 30 protect specified cultural and educational rights, including rights of minorities.

---

Q449.

Which is a Fundamental Duty?

A) To protect and improve the natural environment
B) To pay all taxes
C) To join the armed forces
D) To vote in every election

Answer: A

Solution: Article 51A includes the duty to protect and improve the natural environment.

---

Q450.

The constitutional goal of fraternity is associated with:

A) Dignity of the individual and unity and integrity of the nation
B) Only economic growth
C) Only military power
D) Only taxation

Answer: A

Solution: The Preamble connects fraternity with individual dignity and the unity and integrity of the nation.

---

PART 10 — DIFFICULT UPSC-STYLE QUESTIONS

Questions 451–500

Q451.

Consider the following statements:

1. All Fundamental Rights are available only to citizens.
2. Article 21 is available to both citizens and foreigners.
3. Article 19 freedoms are available only to citizens.

Which is correct?

A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3

Answer: B

Solution: Some Fundamental Rights are available to all persons, including foreigners. Article 21 is one such right, while Article 19 is specifically available to citizens.

---

Q452.

Consider the following statements about Parliament:

1. Rajya Sabha can participate in constitutional amendments.
2. Rajya Sabha can reject a Money Bill.
3. Lok Sabha has greater powers in financial matters.

Which are correct?

A) 1 only
B) 1 and 3 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: B

Solution: Rajya Sabha participates in constitutional amendments. It cannot reject or amend a Money Bill; it can only recommend changes.

---

Q453.

Consider the following statements about a Money Bill:

1. It can be introduced only in Lok Sabha.
2. Rajya Sabha must return it within 14 days.
3. The Speaker’s decision regarding whether a Bill is a Money Bill has constitutional significance.

Which are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: All three statements correctly describe important features of Money Bills.

---

Q454.

Consider the following statements about the President:

1. The President normally acts on the aid and advice of the Council of Ministers.
2. The President can return a non-Money Bill for reconsideration.
3. The President can permanently veto every parliamentary bill.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: The President normally acts on ministerial advice and can return an ordinary bill once for reconsideration. There is no general permanent veto over every bill.

---

Q455.

Consider the following statements about judicial review:

1. It protects constitutional supremacy.
2. It allows courts to invalidate unconstitutional laws.
3. It means courts can automatically replace Parliament’s policy choices.

Which are correct?

A) 1 and 2 only
B) 2 only
C) 1 and 3 only
D) All three

Answer: A

Solution: Judicial review checks constitutionality but does not mean courts can routinely replace legislative policy choices simply because they prefer another policy.

---

Q456.

Which of the following best distinguishes Fundamental Rights from Directive Principles?

A) Fundamental Rights are generally enforceable; Directive Principles are generally non-justiciable
B) Both are equally enforceable
C) Neither has constitutional status
D) Directive Principles override every Fundamental Right automatically

Answer: A

Solution: Fundamental Rights are enforceable through courts, whereas Directive Principles guide governance but are generally non-justiciable.

---

Q457.

Consider the following statements:

1. A federal system generally involves division of powers.
2. India has constitutional division of powers between Union and States.
3. Indian states have a constitutional right to secede from India.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: India has a federal structure with a strong Union, but states do not possess a constitutional right to secede.

---

Q458.

Which feature most clearly reflects the federal character of the Indian Constitution?

A) Division of legislative powers
B) Single citizenship alone
C) Parliamentary executive alone
D) Appointment of Governors alone

Answer: A

Solution: Constitutional division of legislative and executive responsibilities between Union and States is a key federal feature.

---

Q459.

Consider the following statements about Panchayati Raj:

1. It received constitutional status through the 73rd Amendment.
2. Gram Sabha is an important component.
3. Panchayats are completely independent of state legislation.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Panchayats operate within the constitutional and state legislative framework.

---

Q460.

Which factor most directly contributes to the persistence of monsoon variability?

A) Complex interaction of land, sea, atmospheric circulation and oceanic conditions
B) Earth’s rotation alone
C) Himalayan height alone
D) Latitude alone

Answer: A

Solution: India’s monsoon is influenced by land-sea thermal contrast, pressure systems, jet streams, ocean temperatures, ENSO and other factors.

---

Q461.

Consider the following statements about Indian rivers:

1. Himalayan rivers generally have water throughout much of the year.
2. Peninsular rivers are generally older than Himalayan rivers.
3. All Peninsular rivers flow westward.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Most major Peninsular rivers flow eastward, though Narmada and Tapi are important west-flowing exceptions.

---

Q462.

Why are Himalayan rivers generally more suitable for year-round flow?

A) They receive water from both rainfall and snow/glacier melt
B) They receive no rainfall
C) They are all underground
D) They originate only in deserts

Answer: A

Solution: Snow and glacier melt supplement monsoon and other rainfall, supporting perennial flow in many Himalayan rivers.

---

Q463.

Consider the following:

1. Black soil is associated with basaltic regions.
2. It has high clay content.
3. It is unsuitable for moisture retention.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Black soil is clay-rich and has good moisture-retention capacity.

---

Q464.

Which factor is most important in determining the direction of monsoon winds?

A) Seasonal pressure differences
B) Ocean salinity alone
C) Soil colour
D) Earth’s magnetic field

Answer: A

Solution: Seasonal differences in heating create pressure gradients that influence monsoon wind direction.

---

Q465.

Consider the following statements about biodiversity:

1. Species richness refers to the number of species.
2. Genetic diversity refers to variation within species.
3. Ecosystem diversity refers to variation among ecosystems.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: These are three major levels/components of biodiversity.

---

Q466.

Which situation is most likely to cause biomagnification?

A) Persistent pollutant entering a food chain
B) Rapid decomposition of a harmless nutrient
C) Increased rainfall
D) Increased oxygen production

Answer: A

Solution: Persistent, fat-soluble pollutants can accumulate in organisms and become increasingly concentrated at higher trophic levels.

---

Q467.

Consider the following statements:

1. All greenhouse gases are pollutants in the same sense.
2. Water vapour is a greenhouse gas.
3. Carbon dioxide contributes to the greenhouse effect.

Which is correct?

A) 1 only
B) 2 and 3 only
C) 1 and 3 only
D) All three

Answer: B

Solution: Water vapour and CO₂ are greenhouse gases. The first statement is incorrect because greenhouse gases are not all classified as pollutants in the same way.

---

Q468.

Which environmental principle emphasizes that the polluter should bear the cost of pollution?

A) Polluter Pays Principle
B) Equal Pay Principle
C) Maximum Consumption Principle
D) Absolute Liability Principle only

Answer: A

Solution: The Polluter Pays Principle holds that those responsible for pollution should bear the costs associated with prevention and remediation.

---

Q469.

Which of the following is most likely to increase soil erosion?

A) Deforestation on steep slopes
B) Contour farming
C) Afforestation
D) Terracing

Answer: A

Solution: Removal of vegetation on steep slopes exposes soil to water and wind erosion.

---

Q470.

Terrace farming is useful mainly because it:

A) Reduces runoff and soil erosion on slopes
B) Increases desertification
C) Eliminates all rainfall
D) Prevents crop cultivation

Answer: A

Solution: Terraces slow water flow, allowing greater infiltration and reducing erosion.

---

Q471.

Consider the following statements about photosynthesis:

1. Carbon dioxide is used.
2. Light energy is converted into chemical energy.
3. Oxygen is released as a product of water splitting in the light reactions.

Which are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: Photosynthesis uses CO₂, captures light energy and releases oxygen during the light-dependent reactions.

---

Q472.

Which statement about respiration is correct?

A) It occurs only in plants
B) It releases usable energy from organic molecules
C) It always requires sunlight
D) It occurs only in chloroplasts

Answer: B

Solution: Cellular respiration releases energy from organic molecules, primarily in the form of ATP.

---

Q473.

Which component of blood is primarily responsible for clotting?

A) Platelets
B) Red blood cells
C) Plasma water only
D) White blood cells

Answer: A

Solution: Platelets participate in the formation of blood clots.

---

Q474.

Which statement about vaccines is most appropriate?

A) They train the immune system to recognize specific pathogens or their components
B) They directly replace red blood cells
C) They always cure existing infections instantly
D) They eliminate all microorganisms from the body

Answer: A

Solution: Vaccines stimulate immune memory, helping the body respond more effectively to future exposure.

---

Q475.

Antibiotics are primarily effective against:

A) Bacterial infections
B) All viruses
C) All cancers
D) Genetic disorders

Answer: A

Solution: Antibiotics target bacteria or bacterial processes. They do not generally work against viruses.

---

Q476.

Which statement about viruses is correct?

A) They generally require host cells for replication
B) They are always independent cells
C) They possess all cellular machinery
D) They reproduce like plants in soil

Answer: A

Solution: Viruses depend on host cellular machinery for replication and are generally considered acellular infectious agents.

---

Q477.

Which of the following is an example of a chemical change?

A) Melting ice
B) Dissolving sugar
C) Rusting iron
D) Breaking glass

Answer: C

Solution: Rusting produces new chemical substances, primarily iron oxides, so it is a chemical change.

---

Q478.

Which principle explains why a metal spoon feels colder than a wooden spoon at the same room temperature?

A) Metal conducts heat away from the hand more rapidly
B) Metal has no atoms
C) Wood has zero temperature
D) Metal produces cold energy

Answer: A

Solution: Metal has much higher thermal conductivity, so it transfers heat away from the hand faster.

---

Q479.

Which phenomenon demonstrates the wave nature of light?

A) Interference
B) Mass
C) Weight
D) Density

Answer: A

Solution: Interference is a characteristic wave phenomenon.

---

Q480.

Which phenomenon is associated with bending of light when it passes between different media?

A) Refraction
B) Reflection only
C) Diffusion
D) Conduction

Answer: A

Solution: Refraction is the change in direction of light due to a change in its speed when it enters a different medium.

---

Q481.

Consider the following statements:

1. Sound travels faster in solids than in gases generally.
2. Sound cannot travel through vacuum.
3. Sound is an electromagnetic wave.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Sound is a mechanical wave and generally travels faster through solids than gases. It cannot propagate through vacuum.

---

Q482.

Which quantity remains constant when an object is moved from Earth to the Moon?

A) Mass
B) Weight
C) Gravitational force
D) Acceleration due to gravity

Answer: A

Solution: Mass is intrinsic to the object, whereas weight depends on gravitational acceleration.

---

Q483.

A satellite remains in orbit primarily because:

A) Its forward velocity and Earth’s gravity combine to produce orbital motion
B) Gravity disappears in space
C) There is no force acting on it
D) The satellite is attached to Earth by a cable

Answer: A

Solution: Gravity provides the centripetal acceleration while the satellite’s tangential velocity keeps it moving around Earth.

---

Q484.

Which law explains the recoil of a gun?

A) Newton’s third law
B) Newton’s first law only
C) Law of reflection
D) Archimedes’ principle

Answer: A

Solution: Recoil results from the equal and opposite reaction to the forward momentum of the projectile.

---

Q485.

Archimedes’ principle is related to:

A) Buoyant force
B) Electric current
C) Heat conduction
D) Magnetic field

Answer: A

Solution: A body immersed in a fluid experiences an upward buoyant force equal to the weight of fluid displaced, under the principle’s standard formulation.

---

Q486.

If demand increases while supply remains unchanged, the equilibrium price generally:

A) Rises
B) Falls
C) Becomes zero
D) Cannot change under any circumstances

Answer: A

Solution: An increase in demand, with supply unchanged, generally puts upward pressure on equilibrium price.

---

Q487.

If supply increases while demand remains unchanged, equilibrium price generally:

A) Falls
B) Rises
C) Becomes infinite
D) Must remain unchanged

Answer: A

Solution: An increase in supply generally lowers equilibrium price, assuming other factors remain unchanged.

---

Q488.

Which situation is most likely to cause cost-push inflation?

A) Sharp increase in production costs
B) Fall in input prices
C) Fall in wages and energy costs
D) Increase in productivity alone

Answer: A

Solution: Higher costs of inputs such as energy or raw materials can push production prices upward.

---

Q489.

Demand-pull inflation is associated with:

A) Aggregate demand growing faster than productive capacity
B) Falling demand
C) Falling money supply only
D) Excess productive capacity

Answer: A

Solution: When aggregate demand exceeds the economy’s ability to supply goods and services, prices can rise.

---

Q490.

Which of the following would most likely reduce inflationary pressure?

A) Tightening monetary conditions
B) Uncontrolled increase in credit
C) Large increase in demand without supply growth
D) Persistent supply disruption

Answer: A

Solution: Tighter monetary conditions can reduce excess demand and inflationary pressure.

---

Q491.

Consider the following statements:

1. GDP includes production within domestic territory.
2. GDP can rise even if population rises faster than output.
3. Per capita income helps account for population size.

Which are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: GDP measures total domestic production, while per capita measures relate output/income to population.

---

Q492.

Which indicator is more directly associated with human well-being than GDP alone?

A) Human Development Index
B) Wholesale price only
C) Fiscal deficit only
D) Trade balance only

Answer: A

Solution: HDI incorporates health, education and income dimensions.

---

Q493.

Which of the following is most likely to increase a country’s productive capacity over the long run?

A) Investment in education, skills and infrastructure
B) Destruction of capital
C) Persistent underinvestment
D) Reduction in human capabilities

Answer: A

Solution: Human and physical capital investment raises productivity and productive capacity.

---

Q494.

Which statement about sustainable development is correct?

A) It requires balancing economic, social and environmental objectives
B) It means stopping all development
C) It requires maximum resource extraction
D) It concerns only forests

Answer: A

Solution: Sustainable development integrates economic progress, social welfare and environmental sustainability.

---

Q495.

Consider the following statements:

1. Renewable resources can still become depleted if used unsustainably.
2. Solar energy is renewable.
3. Coal is renewable on a human timescale.

Which is correct?

A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) All three

Answer: A

Solution: Renewable does not mean unlimited. Coal forms over geological timescales and is therefore non-renewable on human timescales.

---

Q496.

Which of the following best explains why forests are important for the water cycle?

A) They influence evapotranspiration, infiltration and runoff
B) They eliminate evaporation
C) They prevent all rainfall
D) They convert all groundwater into seawater

Answer: A

Solution: Vegetation influences evapotranspiration, water infiltration, soil moisture and runoff, thereby affecting local and regional hydrology.

---

Q497.

Consider the following statements:

1. Deforestation can increase soil erosion.
2. Deforestation can reduce carbon storage.
3. Deforestation always increases biodiversity.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) All three

Answer: B

Solution: Deforestation generally increases erosion and releases/reduces stored carbon. It does not necessarily increase biodiversity.

---

Q498.

Which of the following represents the correct broad sequence in India’s national movement?

A) Revolt of 1857 → Formation of INC → Swadeshi Movement → Non-Cooperation → Civil Disobedience → Quit India
B) INC → Revolt of 1857 → Quit India → Swadeshi
C) Swadeshi → Revolt of 1857 → INC → Civil Disobedience
D) Non-Cooperation → INC → Revolt of 1857 → Quit India

Answer: A

Solution: This is the correct chronological sequence of major developments.

---

Q499.

Consider the following statements:

1. The Constitution was adopted on 26 November 1949.
2. It came into force on 26 January 1950.
3. The Constituent Assembly first met in 1946.

Which are correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: D

Solution: All three dates are correct and represent important stages in the making of the Constitution.

---

Q500.

Consider the following statements:

1. UPSC Civil Services Preliminary Examination includes an objective-type General Studies Paper-I.
2. NCERT concepts can provide an important foundation for UPSC preparation.
3. Memorizing isolated facts alone is sufficient for UPSC Prelims.

Which is correct?

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3

Answer: B

Solution: UPSC preparation requires conceptual understanding, application and analytical thinking. NCERTs provide foundational knowledge, but isolated memorization alone is not sufficient.

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