Download IISER Aptitude Test (IAT) previous year question papers free, one page per year for 2017, 2018, 2019 and 2021 to 2025. Each paper covers Biology, Chemistry, Mathematics and Physics. Hindi versions are available for 2019 and 2021, the 2022 and 2023 PDFs are bilingual, and the 2023 paper has answers marked.
IISER Aptitude Test Previous Year Question Papers
Year-wise IAT question papers, free to view and download.
Newest papersIISER IAT 2025 Question Paper
View 2025 papers1 PDF
IISER IAT Question Papers by Year
| Year | What's included | |
|---|---|---|
| IISER IAT 2025 | 1 PDF | View papers |
| IISER IAT 2024 | 1 PDF | View papers |
| IISER IAT 2023 | 1 PDF | View papers |
| IISER IAT 2022 | 1 PDF | View papers |
| IISER IAT 2021 | 2 PDFs | View papers |
| IISER IAT 2019 | 2 PDFs | View papers |
| IISER IAT 2018 | 1 PDF | View papers |
| IISER IAT 2017 | 1 PDF | View papers |
How to use IISER Aptitude Test previous year papers?
Attempt one full paper in a single timed sitting, then check it against the answer key. Note the topics where you lose marks and revise them before the next paper.
Solve the latest two years first, because they follow the current IISER Aptitude Test pattern most closely. Older papers are best for topic-wise practice.
IISER Aptitude Test Previous Year Question Papers FAQs
Are IISER Aptitude Test previous year papers free?
Yes. Every IISER Aptitude Test paper linked from this page is a free PDF.
Which years of IISER Aptitude Test papers are available?
Papers from 2017 to 2025. Each year has its own page with every paper of that year.
Should I solve old IISER Aptitude Test papers or recent ones first?
Start with the latest two years, as they match the current pattern most closely, then use older papers for topic-wise practice.