UPSC CSE 2026

The Civil Services Examination is the gateway to IAS, IPS, IFS and other Group A & B central services. Conducted in three stages — Prelims, Mains and Interview.

1. Q1. Which article of the Constitution deals with the abolition of untouchability?
   Answer: Article 17
2. Q2. The Tropic of Cancer passes through how many Indian states?
   Answer: 8 states
3. Q3. Who is known as the Father of the Indian Constitution?
   Answer: Dr. B. R. Ambedkar
4. Q4. The Goods and Services Tax (GST) was introduced through which Constitutional Amendment?
   Answer: 101st Constitutional Amendment
5. Q5. Which Article of the Constitution empowers the Supreme Court to issue writs for the enforcement of Fundamental Rights?
   Answer: Article 32
6. Q6. The Directive Principles of State Policy in the Indian Constitution were inspired primarily by which country's Constitution?
   Answer: Ireland
7. Q7. Which Constitutional Amendment reduced the voting age in India from 21 to 18 years?
   Answer: 61st Constitutional Amendment Act, 1988
8. Q8. Under which Article can the President of India promulgate an Ordinance?
   Answer: Article 123
9. Q9. Which Schedule of the Constitution contains provisions relating to the allocation of seats in the Rajya Sabha?
   Answer: Fourth Schedule
10. Q10. The concept of 'Basic Structure of the Constitution' was established by which Supreme Court judgment?
    Answer: Kesavananda Bharati case (1973)
11. Q11. Which river is known as the 'Sorrow of Bihar'?
    Answer: Kosi
12. Q12. The Western Ghats are also known by which name?
    Answer: Sahyadri
13. Q13. Which Indian river flows through a rift valley?
    Answer: Narmada
14. Q14. Which type of soil is most suitable for the cultivation of cotton?
    Answer: Black soil
15. Q15. Which of the following is a characteristic feature of the Himalayan rivers?
    Answer: They are perennial
16. Q16. The El Niño phenomenon is primarily associated with abnormal warming of which oceanic region?
    Answer: Central and Eastern Tropical Pacific Ocean
17. Q17. The Permanent Settlement was introduced in Bengal by which Governor-General?
    Answer: Lord Cornwallis
18. Q18. Who founded the Brahmo Samaj?
    Answer: Raja Ram Mohan Roy
19. Q19. The Quit India Movement was launched in which year?
    Answer: 1942
20. Q20. Who among the following founded the Servants of India Society?
    Answer: Gopal Krishna Gokhale
21. Q21. The Treaty of Seringapatam was signed after which war?
    Answer: Third Anglo-Mysore War
22. Q22. The Cabinet Mission came to India in which year?
    Answer: 1946
23. Q23. Which Article of the Constitution provides for the Finance Commission?
    Answer: Article 280
24. Q24. What is meant by 'fiscal deficit'?
    Answer: The excess of total government expenditure over total receipts excluding borrowings
25. Q25. Which institution is responsible for regulating monetary policy in India?
    Answer: Reserve Bank of India
26. Q26. What is the primary objective of Minimum Support Price (MSP)?
    Answer: To provide farmers a guaranteed minimum price for specified crops
27. Q27. Which type of unemployment is commonly associated with the agricultural sector in India?
    Answer: Disguised unemployment
28. Q28. What does the term 'stagflation' refer to?
    Answer: High inflation accompanied by stagnant economic growth and unemployment
29. Q29. Which gas contributes most significantly to the natural greenhouse effect?
    Answer: Water vapour
30. Q30. The Ramsar Convention is primarily concerned with the conservation of what?
    Answer: Wetlands
31. Q31. Which layer of the atmosphere contains the ozone layer?
    Answer: Stratosphere
32. Q32. What is the primary cause of ocean acidification?
    Answer: Absorption of atmospheric carbon dioxide by seawater
33. Q33. Which IUCN category represents species facing an extremely high risk of extinction in the wild?
    Answer: Critically Endangered
34. Q34. Project Tiger was launched in India in which year?
    Answer: 1973
35. Q35. Which part of the human brain is primarily responsible for maintaining balance and coordination?
    Answer: Cerebellum
36. Q36. What is the primary function of mitochondria in a cell?
    Answer: Production of ATP through cellular respiration
37. Q37. Which vitamin deficiency causes scurvy?
    Answer: Vitamin C
38. Q38. What is the SI unit of electric resistance?
    Answer: Ohm
39. Q39. Which blood cells are primarily responsible for immunity?
    Answer: White blood cells
40. Q40. What is the phenomenon of splitting white light into its constituent colours called?
    Answer: Dispersion
41. Q41. Which of the following best describes the term 'carbon sink'?
    Answer: A natural or artificial reservoir that absorbs more carbon than it releases
42. Q42. What is the main purpose of a biosphere reserve?
    Answer: Conservation of biodiversity along with sustainable use of natural resources
43. Q43. Which institution publishes the Human Development Report?
    Answer: United Nations Development Programme (UNDP)
44. Q44. The 'Blue Revolution' in India is associated primarily with which sector?
    Answer: Fisheries and aquaculture
45. Q45. What does the term 'demographic dividend' refer to?
    Answer: Economic growth potential arising from a relatively large working-age population
46. Q46. Which constitutional body recommends the distribution of tax revenues between the Centre and the States?
    Answer: Finance Commission