Official UPSC Archive Instant Evaluation

UPSC Prelims
Solved Papers

Practice with real exam questions. Get instant feedback with detailed explanations and track your performance.

0%
Your Score
Answer questions to track
0
Correct
0
Wrong
0
Total
Filter Questions

All Subjects / All Chapters / All Exams

Click an option to answer. Your score is tracked above.

6290 Questions Page 91 of 252
2251
Consider the following statements : In a nuclear reactor, self-sustained chain reaction is possible, because
I. more neutrons are released in each of the fission reactions.
II. the neutrons immediately take part in the fission process.
III. the fast neutrons are slowed down by Graphite.
IV. every neutron released in the fission reaction initiates further fission.
Which of these statements are correct ?
UPSC Prelims 2001 General Science
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2252
When water is heated from 0℃ to 10℃, its volume
UPSC Prelims 2001 General Science
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2253
When lightwaves pass from air to glass, the variables affected are
UPSC Prelims 2001 General Science
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2254
Assertion (A): The boiling point of water decreases as the altitude increases.
Reason (R): The atmospheric pressure increases with altitude.
UPSC Prelims 2001 General Science
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2255
Assertion (A): A piece of copper and a piece of glass are heated to the same temperature. When touched, thereafter, the copper piece appears hotter than the glass piece.
Reason (R): The density of copper is more than that of glass.
UPSC Prelims 2001 General Science
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2256
Assertion (A): A stick is dipped in water in a slanting position. If observed sideways, the stick appears short and bent at the surface of water.
Reason (R): The light coming from the stick undergoes scattering from water molecules giving the stick a short and bent appearance.
UPSC Prelims 2001 General Science
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2257
Two wires have their lengths, diameters and resistivities, all in the ratio of 1 : 2. If the resistance of the thinner wire is 10 ohms, the resistance of the thicker wire is
UPSC Prelims 2001 General Science
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2258
The earlier name of WTO was
UPSC Prelims 2001 International Economy
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2259
Which of the following pairs is correctly matched?
UPSC Prelims 2001 Medieval History
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2260
A class of animals known as Marsupials is a characteristic feature of
UPSC Prelims 2001 World Geography
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2261
Match List I with List II:
List I (Sports Women)List II (Sport)
(I) Anjali Vedpathak(A) Athletics
(II) Mouma Das(B) Gymnastics
(III) Neelam Singh(C) Rifle Shooting
(IV) Tumpa Debnath(D) Table Tennis
UPSC Prelims 2001 General Knowledge
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2262
Who among the following leaders proposed to adopt Complete Independence as the goal of the Congress in the Ahmedabad session of 1920?
UPSC Prelims 2001 Modern History
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2263
Volcanic eruptions do not occur in the
UPSC Prelims 2001 Physical Geography
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2264
Which among the following ports was called Babul Makka (Gate of Makka) during the Mughal Period?
UPSC Prelims 2001 Medieval History
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2265
Which one of the following statement correctly describes the Fourth Schedule of the Constitution of India?
UPSC Prelims 2001 Indian Polity
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2266
Match List I with List II:
List I (Award / Prize)List II (Recipient)
(I) Indira Gandhi Prize for Peace, Disarmament(A) Archbishop Desmond Tutu
(II) Jamnalal Bajaj Award(B) Dr. Gurudev Khush
(III) International Gandhi Peace Prize(C) Dr. M.S. Swaminathan
(IV) Wolf Prize(D) Nelson Mandela
UPSC Prelims 2001 General Knowledge
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2267
Match List I with List II:
List I (Publisher)List II (Publication)
(I) Ministry of Industry(A) Report on Currency and Finance
(II) Central Statistical Organisation(B) Economic Survey
(III) Reserve Bank of India(C) Wholesale Price Index
(IV) Ministry of Finance(D) National Accounts Statistics
UPSC Prelims 2001 Indian Economy
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2268
Consider the following statements made about the sedimentary rocks:
I. Sedimentary rocks are formed at Earth's surface by the hydrological system.
II. The formation of sedimentary rocks involves the weathering of pre-existing rocks.
III. Sedimentary rocks contain fossils.
IV. Sedimentary rocks typically occur in layers.
Which of these statements are correct?
UPSC Prelims 2001 Physical Geography
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2269
Which one of the following pairs is correctly matched?
UPSC Prelims 2001 Ancient History
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2270
Which one of the following duties is NOT performed by the Comptroller and Auditor General of India?
UPSC Prelims 2001 Indian Polity
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2271
The largest share of Foreign Direct Investment (1997–2000) went to
UPSC Prelims 2001 Indian Economy
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2272
The high density of population in Nile Valley and Island of Java is primarily due to
UPSC Prelims 2001 Indian Geography
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2273
The Mongols under Genghis Khan invaded India during the reign of
UPSC Prelims 2001 Medieval History
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2274
Consider the following taxes:
I. Corporation tax
II. Customs duty
III. Wealth tax
IV. Excise duty
Which of these is/are indirect taxes?
UPSC Prelims 2001 Indian Economy
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation
2275
Consider the following statements :
I. Arya Samaj was founded in 1835.
II. Lala Lajpat Rai opposed the appeal of Arya Samaj to the authority of Vedas in support of its social reform programmes.
III. Under Keshab Chandra Sen, the Brahmo Samaj campaigned for women's education.
IV. Vinoba Bhave founded the Sarvodaya Samaj to work among refugees.
Which of these statements are correct ?
UPSC Prelims 2001 Modern History
Answer Panel
Select an option to reveal
Click any option on the left to see the answer and explanation.
Detailed Explanation