Pre-cum-Mains GS Foundation Program for UPSC 2026 | Starting from 5th Dec. 2024 Click Here for more information
Dear Friends,
We are releasing the UPSC CSE Prelims 2021 GS Paper 1 answer key for all Sets A, B, C, D.
To watch UPSC CSE Prelims Question Paper discussion Video –Click Here
For Previous Year’s Question Papers and Answer Keys – Click Here
[Download pdf] Answer key of UPSC CSE Prelims 2021 with question paper – Click here
[Download pdf] Official Answer key of UPSC CSE Prelims 2021 – Click here
Key Updated on – 12th October at 6 PM
| Question No. | Set A | Set B | Set C | Set D |
| 1 | C | B | B | A |
| 2 | D | D | B | C |
| 3 | B | A | B | D |
| 4 | A | C | D | B |
| 5 | B | A | D | D |
| 6 | D | C | D | D |
| 7 | A | D | D | C |
| 8 | A | B | C | B |
| 9 | D | A | B | C |
| 10 | D | B | D | B |
| 11 | C | C | C | C |
| 12 | A | A | B | B |
| 13 | B | A | B | B |
| 14 | C | B | D | B |
| 15 | B | D | A | C |
| 16 | A | C | A | C |
| 17 | B | D | A | B |
| 18 | D | A | C | C |
| 19 | A | C | A | A |
| 20 | C | B | D | B |
| 21 | c | C | A | C |
| 22 | B | A | C | B |
| 23 | D | B | D | B |
| 24 | A | C | B | D |
| 25 | D | B | D | A |
| 26 | C | A | D | A |
| 27 | C | B | C | A |
| 28 | C | D | B | C |
| 29 | A | A | C | A |
| 30 | D | C | B | D |
| 31 | C | C | C | B |
| 32 | A | D | B | B |
| 33 | A | B | B | D |
| 34 | B | A | B | D |
| 35 | D | B | C | B |
| 36 | C | D | C | B |
| 37 | D | A | B | A |
| 38 | A | A | C | C |
| 39 | C | D | A | D |
| 40 | B | D | B | D |
| 41 | B | c | B | B |
| 42 | D | B | B | B |
| 43 | A | D | D | B |
| 44 | C | A | D | D |
| 45 | A | D | B | D |
| 46 | C | C | B | D |
| 47 | D | C | A | D |
| 48 | A | C | C | C |
| 49 | A | A | D | B |
| 50 | B | D | D | D |
| 51 | B | B | B | C |
| 52 | B | B | D | D |
| 53 | D | B | A | B |
| 54 | D | D | C | A |
| 55 | B | D | A | B |
| 56 | B | D | C | D |
| 57 | A | D | D | A |
| 58 | C | C | A | A |
| 59 | D | B | A | D |
| 60 | D | D | B | D |
| 61 | C | C | C | c |
| 62 | B | B | A | B |
| 63 | B | B | A | D |
| 64 | B | D | B | A |
| 65 | C | A | D | D |
| 66 | C | A | C | C |
| 67 | B | A | D | C |
| 68 | C | C | A | C |
| 69 | A | A | C | A |
| 70 | B | D | B | D |
| 71 | A | C | c | C |
| 72 | C | B | B | A |
| 73 | D | B | D | B |
| 74 | B | B | A | C |
| 75 | D | C | D | B |
| 76 | D | C | C | A |
| 77 | C | B | C | B |
| 78 | B | C | C | D |
| 79 | C | A | A | A |
| 80 | B | B | D | C |
| 81 | C | B | C | B |
| 82 | B | B | A | D |
| 83 | B | D | B | A |
| 84 | D | D | C | C |
| 85 | A | B | B | A |
| 86 | A | B | A | C |
| 87 | A | A | B | D |
| 88 | C | C | D | A |
| 89 | A | D | A | A |
| 90 | D | D | C | B |
| 91 | B | A | C | C |
| 92 | B | C | D | A |
| 93 | B | D | B | A |
| 94 | D | B | A | B |
| 95 | D | D | B | D |
| 96 | D | D | D | C |
| 97 | D | C | A | D |
| 98 | C | B | A | A |
| 99 | B | C | D | C |
| 100 | D | B | D | B |
About UPSC Prelims
Civil Services Examination consists of two successive stages i.e. Preliminary Examination and Mains Examination (Written and Interview).
Civil Services (Preliminary) Examination (Objective type) is the first stage in the process and is qualifying in nature (Its marks are not counted for determining the final selection). Successful candidates qualify for the Main Examination.
This stage comprises two compulsory objective types (multiple choice questions) Papers of 200 marks and 2 hours duration each.
The General Studies Paper-II of the Civil Services (Preliminary) Examination will be a qualifying paper with minimum qualifying marks fixed at 33%.
This is the answer key of General studies, paper-1 of Prelims.
UPSC Prelims 2020 answer key has been released by many other institutes as well and students may see a variation of 5-10 marks as per the different keys. UPSC also release the official answer key for this question paper.
