IISER question paper for the academic session 2026-2027 will be released on the same day after the successful conduct of the examination.
IISER previous year question paper helps the candidate to get insight into the types of questions asked in the examination, the difficulty level of the exam, IISER exam pattern and other details. Candidates preparing for IISER must refer to the previous year’s question papers to gain a deeper understanding of the topics covered in Physics, Mathematics, Chemistry, and Biology subjects.
IISER 2026 is anticipated to be held in the third week of May 2026, tentatively.
Candidates can download the IISER previous year question paper from this page. Check out this SciAstra IISER exam page for all the information related to the IAT question paper PDF, exam dates, pattern and other details here.
Table of Contents
IAT 2026 Exam Dates
Since IAT 2026 admission dates are yet to be announced by the exam officials, candidates can check out the previous year’s dates from here for reference:
| IISER Entrance Exam Dates 2026 | Event Date (Tentative) |
|---|---|
| IISER 2026 Exam Notification | Jan 25, 2026 – Jan 31, 2026 |
| IISER Exam 2026 Registration Date | March 10, 2026 to April 15, 2026 |
| IISER Admit Card 2026 | May 15, 2026 |
| IISER Exam 2026 | May 25, 2026 |
| IISER Provisional Answer Key 2026 | May 25, 2026 |
| IISER Exam Student Response Sheet 2026 | May 29, 2026 |
| IISER Final Answer Key 2026 | June 24, 2026 |
| IISER Result 2026 | June 24, 2026 |
Topic-Wise Analysis from IISER Previous Year Papers
Based on the past few years’ trends:
| Subject | High-Weightage Topics |
|---|---|
| Physics | Mechanics, Optics, Thermodynamics, Electrostatics |
| Chemistry | Organic Reactions, Chemical Bonding, Equilibrium |
| Mathematics | Calculus, Coordinate Geometry, Probability |
| Biology | Cell Biology, Genetics, Ecology, Human Physiology |
Benefits of Solving IISER Previous Year Question Papers
- Understand Exam Structure – Get familiar with section-wise weightage and time allocation.
- Identify Important Topics – Spot frequently repeated concepts and high-scoring areas.
- Improve Speed & Accuracy – Practice under timed conditions to enhance problem-solving skills.
- Boost Confidence – Familiarity with question types reduces exam-day anxiety.
- Evaluate Preparation Level– Self-assess strengths and weaknesses for better revision planning.
