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IISER 2025 Answer Key & Exam Analysis
Views:- 38 |Last Date:- 26-05-2025
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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

SubjectDifficultyGood AttemptsTime 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)

Institute2024 GEN Marks2025 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

  1. Visit iiseradmission.in

  2. Click on “IISER Answer Key” link

  3. Enter your application number and password

  4. View & download the answer key PDF