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UPSC Prelims GS-I previous-year-style questions — the multi-statement, application-based Polity, Economy, Environment and Science questions in the exact "how many statements are correct" format UPSC now favours.

20 questionsStep-by-step solutionsGeneral Studies Paper I
PolityEconomyEnvironment & EcologyGeographyHistory & CultureScience & Tech
  1. 1PolityHardMCQ

    Consider the following statements about the Finance Commission of India:

    1. It is a constitutional body established under Article 280.
    1. Its recommendations are binding on the Government of India.

    Which of the statements is/areis/are correct?

    • A) 1 only
    • B) 2 only
    • C) Both 1 and 2
    • D) Neither 1 nor 2
    Show answer & solution
    Correct answer
    A
    Solution

    The Finance Commission is constituted under Article 280 (statement 1 correct). However, its recommendations are advisory and NOT binding on the government (statement 2 incorrect).

  2. 2EconomyHardMCQ

    Which of the following are included in the "broad money" (M3) measure of money supply in India?

    1. Currency with the public
    1. Demand deposits with banks
    1. Time deposits with banks
    1. Post office savings deposits

    Select the correct answer:

    • A) 1 and 2 only
    • B) 1, 2 and 3 only
    • C) 1, 2 and 4 only
    • D) 1, 2, 3 and 4
    Show answer & solution
    Correct answer
    B
    Solution

    M3=M1M3 = M1 (currency+demanddeposits+otherdepositswithRBI)+time(currency + demand deposits + other deposits with RBI) + time deposits with banks. Post office savings deposits are part of M4, not M3.

  3. 3Environment & EcologyHardMCQ

    With reference to the Ramsar Convention, consider the following:

    1. It is an international treaty for the conservation of wetlands.
    1. Montreux Record lists wetland sites facing ecological threats.

    Which is/areis/are correct?

    • A) 1 only
    • B) 2 only
    • C) Both 1 and 2
    • D) Neither 1 nor 2
    Show answer & solution
    Correct answer
    C
    Solution

    The Ramsar Convention (1971) is the intergovernmental treaty for wetland conservation (1 correct). The Montreux Record is a register, maintained under it, of Ramsar sites where ecological change has occurred or is likely (2 correct).

  4. 4PolityHardMCQ

    The 42nd Amendment Act (1976) added which of the following to the Constitution?

    1. The words "Socialist" and "Secular" to the Preamble
    1. Fundamental Duties
    1. The Directive Principle on equal justice and free legal aid

    Select the correct answer:

    • A) 1 and 2 only
    • B) 2 and 3 only
    • C) 1, 2 and 3
    • D) 1 and 3 only
    Show answer & solution
    Correct answer
    C
    Solution

    The 42nd Amendment added "Socialist" and "Secular" to the Preamble, inserted Fundamental Duties (Part IVA, Art 51A), and added Article 39A (equal justice and free legal aid) — all three.

  5. 5EconomyMediumMCQ

    A fall in the "repo rate" by the RBI is likely to:

    • A) Reduce liquidity in the banking system
    • B) Make borrowing cheaper and stimulate the economy
    • C) Increase the value of the rupee immediately
    • D) Directly raise the CRR
    Show answer & solution
    Correct answer
    B
    Solution

    The repo rate is the rate at which banks borrow from the RBI. Cutting it lowers banks’ cost of funds, encourages lending, and stimulates economic activity — an expansionary (dovish) move.

  6. 6Environment & EcologyHardMCQ

    Which of the following gases is/areis/are considered greenhouse gases under the Kyoto Protocol?

    1. Carbon dioxide
    1. Methane
    1. Nitrous oxide
    1. Sulphur hexafluoride

    Select the correct answer:

    • A) 1 and 2 only
    • B) 1, 2 and 3 only
    • C) 1, 2, 3 and 4
    • D) 1 and 3 only
    Show answer & solution
    Correct answer
    C
    Solution

    The Kyoto basket covers CO₂, CH₄, N₂O, HFCs, PFCs and SF₆. All four listed are included. (Note: water vapour, though a GHG, is not a regulated Kyoto gas.)

  7. 7History & CultureHardMCQ

    The Dandi March (1930) was launched by Mahatma Gandhi to protest against:

    • A) The Rowlatt Act
    • B) The salt tax/salttax / salt monopoly
    • C) The partition of Bengal
    • D) The Simon Commission
    Show answer & solution
    Correct answer
    B
    Solution

    The Dandi/SaltDandi/Salt March launched the Civil Disobedience Movement, defying the British salt monopoly and salt tax by making salt from seawater at Dandi.

  8. 8GeographyMediumMCQ

    The Tropic of Cancer passes through how many Indian states?

    • A) 6
    • B) 7
    • C) 8
    • D) 9
    Show answer & solution
    Correct answer
    C
    Solution

    It passes through 8 states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram.

  9. 9PolityHardMCQ

    Consider the following about the writ of Habeas Corpus:

    1. It can be issued against both public authorities and private individuals.
    1. It literally means "to have the body".

    Which is/areis/are correct?

    • A) 1 only
    • B) 2 only
    • C) Both 1 and 2
    • D) Neither 1 nor 2
    Show answer & solution
    Correct answer
    C
    Solution

    Habeas Corpus ("you may have the body") can be issued against both the State and private persons who unlawfully detain someone — unique among the writs, which mostly lie against public authorities.

  10. 10Science & TechMediumMCQ

    CRISPRCas9CRISPR-Cas9, frequently in the news, is a technology used for:

    • A) Quantum computing
    • B) Gene editing
    • C) Satellite navigation
    • D) Carbon capture
    Show answer & solution
    Correct answer
    B
    Solution

    CRISPRCas9CRISPR-Cas9 is a precise geneeditinggene-editing tool that uses a guide RNA and the Cas9 nuclease to cut DNA at a target site, enabling addition, removal or alteration of genetic sequences.

  11. 11EconomyHardMCQ

    Which of the following would be counted in India’s Gross Domestic Product (GDP)?

    1. Value of services of a homemaker
    1. Salary of a government employee
    1. Sale of a secondhandsecond-hand car

    Select the correct answer:

    • A) 2 only
    • B) 1 and 2 only
    • C) 2 and 3 only
    • D) 1, 2 and 3
    Show answer & solution
    Correct answer
    A
    Solution

    GDP counts final goods/servicesgoods/services produced in the current year. A homemaker’s unpaid services are not marketed (excluded); a secondhandsecond-hand car was counted in an earlier year (excluded). Only the government salary (a factor payment for current services) counts.

  12. 12Environment & EcologyHardMCQ

    Match the convention with its focus:

    1. CITES — International trade in endangered species
    1. CMS (Bonn) — Conservation of migratory species
    1. CBD — Biological diversity

    How many pairs are correctly matched?

    • A) One
    • B) Two
    • C) All three
    • D) None
    Show answer & solution
    Correct answer
    C
    Solution

    CITES regulates trade in endangered species, the Convention on Migratory Species (Bonn) protects migratory animals, and the Convention on Biological Diversity addresses biodiversity conservation, sustainable use and benefitsharingbenefit-sharing. All three are correctly matched.

  13. 13PolityMediumMCQ

    The concept of "Judicial Review" in the Indian Constitution is primarily borrowed from the constitution of:

    • A) United Kingdom
    • B) United States
    • C) Ireland
    • D) Canada
    Show answer & solution
    Correct answer
    B
    Solution

    Judicial review — the power of courts to examine the constitutionality of legislative and executive actions — is derived from the US Constitution.

  14. 14GeographyHardMCQ

    Which of the following rivers flow westward into the Arabian Sea?

    1. Narmada
    1. Tapi
    1. Mahanadi

    Select the correct answer:

    • A) 1 and 2 only
    • B) 2 and 3 only
    • C) 1 and 3 only
    • D) 1, 2 and 3
    Show answer & solution
    Correct answer
    A
    Solution

    The Narmada and Tapi are among the few peninsular rivers flowing west (through rift valleys) into the Arabian Sea. The Mahanadi flows east into the Bay of Bengal.

  15. 15History & CultureHardMCQ

    Consider the following about the Buddhist Councils:

    1. The First Council was held at Rajgriha.
    1. The Fourth Council was held during the reign of Kanishka.

    Which is/areis/are correct?

    • A) 1 only
    • B) 2 only
    • C) Both 1 and 2
    • D) Neither 1 nor 2
    Show answer & solution
    Correct answer
    C
    Solution

    The First Buddhist Council met at Rajgriha (c. 483 BCE) under Ajatashatru; the Fourth was held in Kashmir under Kanishka (c. 72 CE), where Buddhism split into Hinayana and Mahayana. Both correct.

  16. 16EconomyMediumMCQ

    "Fiscal Deficit" is best defined as:

    • A) Total expenditure minus total receipts excluding borrowings
    • B) Revenue expenditure minus revenue receipts
    • C) Total expenditure minus total revenue receipts
    • D) Primary deficit minus interest payments
    Show answer & solution
    Correct answer
    A
    Solution

    Fiscal deficit=totaldeficit = total expenditure − total receipts excluding borrowings. It measures the government’s total borrowing requirement in a year.

  17. 17Science & TechMediumMCQ

    India’s Mission "Gaganyaan" is associated with:

    • A) A Mars orbiter
    • B) Human spaceflight
    • C) A lunar rover
    • D) A solar observatory
    Show answer & solution
    Correct answer
    B
    Solution

    Gaganyaan is ISRO’s human spaceflight programme, aiming to send Indian astronauts (Gaganyatris) to lowearthlow-earth orbit. (AdityaL1Aditya-L1 is the solar mission; Chandrayaan the lunar one.)

  18. 18PolityHardMCQ

    Which of the following are part of the Directive Principles of State Policy (DPSP)?

    1. Uniform Civil Code
    1. Organisation of village panchayats
    1. Right to Constitutional Remedies

    Select the correct answer:

    • A) 1 and 2 only
    • B) 2 and 3 only
    • C) 1 and 3 only
    • D) 1, 2 and 3
    Show answer & solution
    Correct answer
    A
    Solution

    Uniform Civil Code (Art 44) and village panchayats (Art 40) are DPSPs. The Right to Constitutional Remedies (Art 32) is a Fundamental Right, not a DPSP.

  19. 19Environment & EcologyMediumMCQ

    In the context of ecology, the "10 percent law" given by Lindeman relates to:

    • A) The percentage of species that are endemic
    • B) Energy transfer between successive trophic levels
    • C) The share of forest cover required by law
    • D) Carbon in the atmosphere
    Show answer & solution
    Correct answer
    B
    Solution

    Lindeman’s 10% law states that only about 10% of the energy at one trophic level is transferred to the next; the rest is lost mainly as metabolic heat.

  20. 20EconomyHardMCQ

    Consider the following about "Priority Sector Lending" (PSL) in India:

    1. Agriculture is a priority sector.
    1. The targets are set by the Ministry of Finance, not the RBI.

    Which is/areis/are correct?

    • A) 1 only
    • B) 2 only
    • C) Both 1 and 2
    • D) Neither 1 nor 2
    Show answer & solution
    Correct answer
    A
    Solution

    Agriculture, MSMEs, education, housing, and weaker sections are PSL categories (1 correct). PSL targets are set and regulated by the RBI, not the Finance Ministry (2 incorrect).

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