UPSC CSE 2023 GS Paper 1 Quiz pdf answer key

Upsc cse pre paper 1 question paper and quiz answer key

UPSC Civil Services (Preliminary) Exam : 28 May, 2023




Q1. Consider the following statements:
1. Jhelum River passes through Wular Lake.
2. Krishna River directly feeds Kolleru Lake.
3. Meandering of Gandak River formed Kanwar Lake.
How many of the statements given above are correct?
A. Only one
B. Only two
C. All three
D. None

The correct answer is (a) Only one.

Explanation: Out of the given statements:

  • Statement 1 is correct. Jhelum River passes through Wular Lake.
  • Statement 2 is incorrect. Krishna River does not directly feed Kolleru Lake.
  • Statement 3 is incorrect. The meandering of Gandak River does not form Kanwar Lake.

Therefore, only one statement out of the three given is correct.

Q2. Consider the following pairs:
        Port     :     Well known as
1. Kamaraj Port: First major port in India registered as a company.
2. Mundra Port: Largest privately owned port in India.
3. Visakhapatnam Port: Largest container port in India.
How many of the above pairs are correctly matched?
A. Only one pair
B. Only two pairs
C. All three pairs
D. None of the pairs

The correct answer is (b) Only two pairs.

Explanation: Out of the given pairs:

  • Pair 1 is correct. Kamaraj Port is the first major port in India registered as a company.
  • Pair 2 is correct. Mundra Port is the largest privately owned port in India.
  • Pair 3 is incorrect. Visakhapatnam Port is not the largest container port in India.

Therefore, only two pairs out of the three given are correctly matched.

Q3. Consider the following trees:
1. Jackfruit (Artocarpus heterophyllus)
2. Mahua (Madhuca indica)
3. Teak (Tectona grandis)
How many of the above are deciduous trees?
A. Only one
B. Only two
C. All three
D. None

The correct answer is (b) Only two.

Explanation: Out of the given trees:

  • Jackfruit is a deciduous tree.
  • Mahua is a deciduous tree.
  • Teak is not a deciduous tree.

Therefore, only two trees out of the three given are deciduous.

Q4. Consider the following statements:
1. India has more arable area than China.
2. The proportion of irrigated area is more in India as compared to China.
3. The average productivity per hectare in Indian agriculture is higher than that in China.
How many of the above statements are correct?
A. Only one
B. Only two
C. All three
D. None

The correct answer is (b) Only two.

Explanation: Out of the given statements:

  • Statement 1 is correct. India does not have more arable area than China.
  • Statement 2 is correct. The proportion of irrigated area is more in India as compared to China.
  • Statement 3 is incorrect. The average productivity per hectare in Indian agriculture is not higher than that in China.

Therefore, only two statements out of the three given are correct.

Q5. Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?
A. Bhitarkanika Mangroves
B. Marakkanam Salt Pans
C. Naupada Swamp
D. Rann of Kutch

The correct answer is (d) Rann of Kutch.

Explanation: The Rann of Kutch is an example of extensive marshland formed due to repeated falls in sea level.

Q6. Ilmenite and rutile, abundantly available in certain coastal tracts of India, are rich sources of which one of the following?
A. Aluminium
B. Copper
C. Iron
D. Titanium

The correct answer is (d) Titanium.

Explanation: Ilmenite and rutile, found in coastal tracts of India, are rich sources of titanium.

Q7. About three-fourths of the world's cobalt, a metal required for the manufacture of batteries for electric motor vehicles, is produced by
A. Argentina
B. Botswana
C. The Democratic Republic of the Congo
D. Kazakhstan

The correct answer is (c) The Democratic Republic of the Congo.

Explanation: About three-fourths of the world's cobalt, required for batteries in electric motor vehicles, is produced by the Democratic Republic of the Congo.

Q8. Which one of the following is a part of the Congo Basin?
A. Cameroon
B. Nigeria
C. South Sudan
D. Uganda

The correct answer is (a) Cameroon.

Explanation: Cameroon is a part of the Congo Basin, which is a large tropical rainforest basin in Central Africa.

Q9. Consider the following statements:
1. Amarkantak Hills are at the confluence of Vindhya and Sahyadri Ranges.
2. Biligirirangan Hills constitute the easternmost part of the Satpura Range.
3. Seshachalam Hills constitute the southernmost part of the Western Ghats.
How many of the statements given above are correct?
A. Only one
B. Only two
C. All three
D. None

The correct answer is (d) None.

Explanation: Out of the given statements:

  • Statement 1 is incorrect. Amarkantak Hills are at the confluence of the Vindhya and Satpura Ranges.
  • Statement 2 is incorrect. Biligirirangan Hills do not constitute the easternmost part of the Satpura Range.
  • Statement 3 is incorrect. Seshachalam Hills are not the southernmost part of the Western Ghats.

Therefore, none of the statements given are correct.

Q10. With reference to India's projects on connectivity, consider the following statements:
1. East-West Corridor under the Golden Quadrilateral Project connects Dibrugarh and Surat.
2. Trilateral Highway connects Moreh in Manipur and Chiang Mai in Thailand via Myanmar.
3. Bangladesh-China-India-Myanmar Economic Corridor connects Varanasi in Uttar Pradesh with Kunming in China.
How many of the above statements are correct?
A. Only one
B. Only two
C. All three
D. None

The correct answer is (d) None.

Explanation: Out of the given statements:

  • Statement 1 is incorrect. The East-West Corridor connects Silchar and Porbandar, not Dibrugarh and Surat.
  • Statement 2 is incorrect. The Trilateral Highway connects Moreh in Manipur, India, and Mae Sot in Thailand, not Chiang Mai.
  • Statement 3 is incorrect. The Bangladesh-China-India-Myanmar Economic Corridor connects Kolkata in West Bengal with Kunming in China, not Varanasi.

Therefore, none of the statements given are correct.



Answer Key

1 - a 21 - d 41 - a 61 - a 81 - a
2 - b 22 - a 42 - b 62 - c 82 - b
3 - b 23 - c 43 - b 63 - d 83 - a
4 - b 24 - a 44 - d 64 - a 84 - d
5 - d 25 - b 45 - d 65 - c 85 - c
6 - d 26 - b 46 - c 66 - d 86 - c
7 - c 27 - c 47 - b 67 - a 87 - c
8 - a 28 - c 48 - a 68 - c 88 - d
9 - d 29 - b 49 - c 69 - a 89 - a
10 - d 30 - c 50 - d 70 - a 90 - d
11 - c 31 - c 51 - b 71 - b 91 - b
12 - c 32 - a 52 - c 72 - c 92 - b
13 - a 33 - c 53 - a 73 - d 93 - d
14 - b 34 - a 54 - c 74 - b 94 - c
15 - c 35 - a 55 - b 75 - d 95 - b
16 - d 36 - d 56 - d 76 - c 96 - b
17 - a 37 - a 57 - d 77 - b 97 - d
18 - c 38 - c 58 - d 78 - d 98 - d
19 - b 39 - b 59 - c 79 - c 99 - c
20 - c 40 - c 60 - c 80 - a 100 - c

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