This page has the latest available IAT paper: the IISER Aptitude Test 2025 question paper, a 61-page English PDF with 15 questions in each of Biology, Chemistry, Mathematics and Physics. IAT 2025 was held on 25 May 2025. No answer key is listed.
IISER Aptitude Test 2025 Question Paper
The IAT 2025 question paper, free to view and download.
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IISER Aptitude Test 2025 Question Paper PDF
IISER AT 2025 Question Paper
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About the IISER Aptitude Test 2025 Paper
| Exam date | 25 May 2025 (iiseradmission.in) |
|---|---|
| Application window | 5 March to 15 April 2025 |
| Hall ticket | 15 May 2025 |
| Papers on this page | 1 PDF, English (61 pages) |
| Answer key on this page | No |
IAT 2025 was held in May, earlier than the June dates of 2024 and 2026.
IISER Aptitude Test 2025 Question Paper FAQs
When was IAT 2025 held?
IAT 2025 was held on 25 May 2025. Hall tickets were released on 15 May 2025.
When were IAT 2025 applications open?
The application portal was open from 5 March to 15 April 2025, with corrections on 21 and 22 April 2025.
Is the IAT 2025 answer key on this page?
No. This page lists the 2025 question paper only.