Answer Key for GATE 2021 Geology and Common section. Aptitude answer keys will be provided shortly. The answer key is unofficial and the actual answer provided by GATE may vary. The answer key is just for students’ reference and Planet Geology may not be held responsible for any difference in answers when compared to the official key.
The solutions have been created in a short time frame and these may be updated on further review.
| Question Number | Answer |
| 1 | 4 |
| 2 | 4.56 (NAT) |
| 3 | 4 |
| 4 | 3.8 (NAT) |
| 5 | 56.21 (NAT) |
| 6 | 2 |
| 7 | 6 (NAT) |
| 8 | 4 |
| 9 | 55 (NAT) |
| 10 | 1 |
| 11 | 15 (NAT) |
| 12 | 4 |
| 13 | 1 |
| 14 | 4 |
| 15 | 20 (NAT) |
| 16 | 2 |
| 17 | 42.708 (NAT) |
| 18 | 1 |
| 19 | 24 |
| 20 | 3 |
| 21 | 2 |
| 22 | 4 |
| 23 | .08 (NAT) |
| 24 | 83.32 (NAT) |
| 25 | 4 |
| 26 | 2 |
| 27 | 2 |
| 28 | 2 |
| 29 | 3 |
| 30 | 63.69 (NAT) |
| 31 | 1 (NAT) |
| 32 | 0.213 (NAT) |
| 33 | 1.796 (NAT) |
| 34 | 2 |
| 35 | 5 (NAT) |
| 36 | 2 |
| 37 | 6367.50 (NAT) |
| 38 | 4 |
| 39 | 3 |
| 40 | 3 |
| 41 | 7.26 (NAT) |
| 42 | 2 |
| 43 | 0.25 (NAT) |
| 44 | 4 |
| 45 | 1 |
| 46 | 4 |
| 47 | 2 |
| 48 | 4 (NAT) |
| 49 | 3 |
| 50 | 2 |
| 51 | 1.676 (NAT) |
| 52 | 1 |
| 53 | 0.032 (NAT) |
| 54 | 4 |
| 55 | 54.90 (NAT) |