New Delhi: The Union Public Service Commission (UPSC) Civil Services Preliminary exam, which is the first step for aspiring Indian Administrative Service (IAS), Indian Police Service (IPS) and Indian Foreign Service (IFS) officers, was successfully held today, May 25. This UPSC Civil Service Prelims paper, divided into two sessions, was conducted from 9:30 AM to 11:30 AM for General Studies (GS) Paper 1 and from 2:30 PM to 4:30 PM for GS Paper 2 or Civil Services Aptitude Test (CSAT). With the exam concluded, candidates and experts found the paper to be moderate in terms of difficulty level.
The questions in geography, environment, science and technology sections were basically on current affairs. Most of the questions in the polity and geography sections were from the NCERT.
UPSC Prelims Exam Analysis 2025: General Studies paper
In the UPSC prelim paper 1, the questions were on current affairs, science and technology, history, the Indian Constitution and others were asked. The overall level of the exam was moderate according to experts.
| Subjects | Difficulty Level |
| Geography | Easy to Moderate |
| Environment | Easy to Moderate |
| Science and Technology | Moderate to Difficult |
| History | Moderate to Difficult |
| Economics and Govt. Schemes | Easy to Moderate |
| Polity | Moderate to Difficult |
| Current Affairs and Sports | Moderate |
Note: The difficulty level is based on the experience shared by candidates. The actual difficulty level may vary from candidate to candidate.
UPSC Civil Services answer key 2025
The UPSC Civil Service 2025 prelims answer key will be made available online after the conclusion of all stages of the exam including mains and final. Candidates will be able to access the answer key through the official website, upsc.gov.in. With the help of the answer key, candidates will be able to calculate the probable score.
