The Civil Services Examination is a national competitive examination in India conducted by the Union Public Service Commission for recruitment to higher Civil Services of the Government of India. The official UPSC Answer Key 2025 for both GS Paper 1 and CSAT is released after the UPSC Final Result 2025. Based on the unofficial UPSC Answer Key, candidates who took the exam can easily review the correct responses they marked on the paper and assess their chances of qualifying for the exam.
| UPSC Prelims Answer Key 2025 | |
| Organization | Union Public Service Commission (UPSC) |
| Name of Exam | UPSC IAS Exam 2025 |
| Vacancies | 1129 |
| Posts | IAS, IPS, IFS, IRS, etc. |
| UPSC Prelims Exam Date | 25th May 2025 |
| UPSC Answer Key 2025 [Unofficial] | 25th May 2025 |
| UPSC Answer Key 2025 [official] | After the final result |
| No. of Questions | Paper 1- 100 Paper 2- 80 |
| Marking Scheme | Paper 1- 2 marks Paper 2- 2.5 marks |
| Negative Marking | Paper 1- 0.66 Paper 2- 0.83 |
| Selection process | Prelims, Mains, Interview |
| Official website | https://www.upsc.gov.in/ |
UPSC Prelims 2025 Answer Key [Unofficial]
UPSC Prelims Answer Key 2025 will help the applicants know their correct and incorrect responses and calculate the marks they will score in the Prelims exam. Before the release of the official answer key, you can have a look at the unofficial UPSC Prelims Question Paper 2025 Answer Key prepared by our experts, which has been updated in this section for all sets of General Studies I.
UPSC CSE Prelims 2025 General Studies 1 Answer Key
The correct answers of all 100 questions of Set B of UPSC CSE Prelims General Studies paper for all sets have been provided below as prepared by the faculty of StudyIQ IAS. Search for the set you have appeared and cross-check the answers to the ones you have attempted.










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