IISER 2025 Answer Key & Exam Analysis – Key Highlights (May 25, 2025)
Exam Conduct:
-
Date & Time: May 25, 2025 | 9 AM to 12 PM
-
Mode: Online
-
Courses Covered: BS-MS, BS, BTech
-
Conducting Institutes: IISERs, IISc Bangalore, IIT Madras
Overall Exam Difficulty (Based on Student Feedback)
-
Easy: 18%
-
Moderate: 64%
-
Tough: 18%
-
Summary: Easier than 2024; balanced across subjects.
Subject-wise Difficulty & Good Attempts
| Subject | Difficulty | Good Attempts | Time Spent |
|---|---|---|---|
| Biology | Easy | 12–13 | 25 mins |
| Chemistry | Moderate | 10–12 | 40 mins |
| Physics | Moderate to Tough | 8–10 | 50 mins |
| Mathematics | Easy to Moderate | 10–12 | 55 mins |
Total Estimated Score (Based on Good Attempts): ~188/240
Incorrect Answers: 4
Expected Cut-off (Subject to Official Confirmation)
| Institute | 2024 GEN Marks | 2025 GEN Expected Marks |
|---|---|---|
| IISER Berhampur | 92 | 110 |
| IISER Pune | 125 | 150 |
Cut-off expected to increase due to easier paper.
Answer Key & Response Sheet Timeline
-
Provisional Answer Key: Released May 25, 2025
-
Objection Window: Soon after provisional release
-
Student Response Sheet: Expected by 4th week of May 2025
-
Final Answer Key: 2nd week of June 2025
How to Download IISER 2025 Answer Key
-
Visit iiseradmission.in
-
Click on “IISER Answer Key” link
-
Enter your application number and password
-
View & download the answer key PDF
