IISER Entrance Exam Previous Year Question Paper; Download 2024, 2023, 2022, 2021, 2020 Question Paper
Indian Institutes of Science Education and Research Entrance Exam 2026 ( IISER Entrance Exam )
Registration - 5 Mar '26 - 13 Apr '26
Students preparing for the IISER Aptitude Test 2026 can benefit immensely from the IISER previous year question papers. They will get to know about the exam's structure, question types, and difficulty level. Read this Shiksha article to check out the IAT last five-year question paper.
IAT Previous Year Question Paper
IAT previous year question papers are available here. Students can use the IISER previous year question paper to understand the exam structure, trends of questions asked in the exam, question patterns, and the marking scheme. Solving the previous year question paper of IISER will give you a real-time exam experience. Also, you will get to know the exam difficulty level and the weightage of the topics asked in the exam. IISER releases the IAT question paper online at official website.
Also Read:
- How Does the Previous Year Question Paper Help Prepare For IISER Exam 2026?
- IISER Entrance Exam 2026 Question Paper PDF
- IISER Previous Year Question Paper PDFs
- IISER Entrance Exam 2026: Subject Weightage
- IISER Entrance Exam Pattern 2026
How Does the Previous Year Question Paper Help Prepare For IISER Exam 2026?
IISER pyq are very helpful in preparing for an exam, and the IISER Aptitude Test (IAT) is no exception. Some advantages of revising with IAT pyq are stated below:
Understanding of Exam Pattern:
Solving IISER previous year questions provides the exam structure, including the number of questions, marks distribution, and types of questions. Students feel less anxious about the exam and enter the exam feeling confident.
Evaluate Overall Difficulty of the Exam:
Studying with PYQs gives students an initial evaluation of exam difficulty and areas of concentration.
Determine Important Topics:
IISER previous question helps isolate themes and important topics that come up in the exam and helps prioritize the areas of study to concentrate on frequently tested information.
Evaluate Time Management:
Practicing with PYQs will enable students to practice effective time management principles. Students will determine how to maximize their time and not linger on questions.
Self-Evaluation & Analysis:
It allows students to analyze strengths and weaknesses. Students will determine where they excel in study/review.
Also Read: IISER 2025 New Changes Introduced: Check for Newly Added Courses, Eligibility, Seat Intake Details
IISER Entrance Exam 2026 Question Paper PDF
IISER Entrance Exam 2026 will be conducted in May 2026, tentatively at various exam centres across the nation. The memory-based question paper for IISER 2026 will be released after the exam is over. The question will be uploaded here.
| Question Paper Medium | IISER 2026 Question Paper PDF Download |
|---|---|
| English | Available Soon |
| Hindi | Available Soon |
Commonly asked questions
The IISER Entrance Exam 2026 pattern is expected to remains same as last year. IAT consists of 60 questions, 15 questions each from Biology, Chemistry Mathematics, and Physics. There will be four answer options. Total time for answering the test is 180 minutes. Questions are multiple choice type with only one correct answer. The mode of the exam is computer-based.
The IISER Entrance Exam questions are objective type. These are multiple-choice questions with four options. The mode of the exam is computer-based. Test-takers have to select one option. Marks per question is four. One mark will be removed for wrong answers.
Indian Institutes of Science Education and Research (IISER) will release the IISER Aptitude Test (IAT) 2026 Student Response Sheet in the second week of June 2026. Candidates can visit the official website of IISER and, after logging in with their credentials, can finally view their IAT 2026 Response Sheet. Candidates can finally tally up their marks scored in the IISER Aptitude Test.
IISER Previous Year Question Paper PDFs
By solving the IISER previous year question papers, students can identify their strengths and weaknesses. Along with self-assessment, solving previous year question papers of IISER, one can learn time management, explore thinking capacity, and problem-solving skills. Students can check the IAT's last five years question papers given below
| Year | Question Paper Medium- English |
Question Paper Medium- Hindi |
|---|---|---|
| 2024 | Download Here | Available Soon |
| 2023 | Download Here | Download Now |
| 2022 | Download Here | Download Now |
| 2021 | Download Here | Download Now |
| 2020 | Download Here | Available Soon |
| 2019 | Download Here | Download Now |
| 2018 | Download Now | Available Soon |
| 2017 | Download Now | Download Now |
Also Read:
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7 Apr '26 - 15 May '26
IISER Entrance Exam 2026: Subject Weightage
The IISER Entrance Exam Marking Scheme and subject weightage is as follows:
| Subject |
No. of Questions |
Marks |
|---|---|---|
| Physics |
15 |
60 |
| Chemistry |
15 |
60 |
| Chemistry |
15 |
60 |
| Mathematics |
15 |
60 |
| Total |
60 |
240 |
Marking scheme: Candidates will be awarded three marks for each correct answer. There is a negative marking of one mark for each incorrect answer.
IISER Entrance Exam Pattern 2026
The IISER Entrance Exam Marking Scheme is as follows:
| Subject |
No. of Questions |
Marks |
|---|---|---|
| Physics |
15 |
60 |
| Chemistry |
15 |
60 |
| Biology |
15 |
60 |
| Mathematics |
15 |
60 |
| Total |
60 |
240 |
Candidates will be awarded three marks for each correct answer. There will be a negative marking of one mark for each incorrect answer.
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Student Forum
Anything you would want to ask experts?Answered 3 days ago
IISER score 200 or above is a good marks. It can help to get admission to IISER Pune and IISc Bangalore. Candidates must have a good conceptual knowledge, give priority to all four subjects. Prepare for the exam according to the exam syllabus and take mock test to score above 200.
V
Contributor-Level 10
Answered 3 days ago
Based on previous year analysis, IAT exam is moderately difficult. It requires strong conceptual knowledge. Students who have prepared properly for exam can easily score good marks.
V
Contributor-Level 10
Answered 4 days ago
It is quite difficult for the GEN / OBC category to get admission to IISER with 50 marks. Even the reserved category students have less chance in the later counelling round for admission. To secure admission, students must score above 150 marks.
V
Contributor-Level 10
Answered 4 days ago
IISER exam is considered of moderate difficulty level. Majority of students finds Physics, and Mathematics challenging. PCM students may find biology tough while PCB students might find Mathematics tough. However, the difficulty level of IISER compared to JEE Main and Advanced is moderate to easy.
V
Contributor-Level 10
Answered 2 weeks ago
The last date to apply for IISER 2026 is April 13, 2026. IAT application form will be available on the website, iiseradmission.in.
V
Contributor-Level 10
Answered 2 weeks ago
IISER 2026 application is available from March 5 to April 13. Eligible candidates can fill the application form online at iiseradmission.in. The process to fill the application form is registration, form filling, and payment of fees.
V
Contributor-Level 10
Answered 2 weeks ago
IISER Berhampur released the application form for IISER 2026 on March 5, 2026. The registration link is updated on the website, iiseradmission.in.
V
Contributor-Level 10
Answered 2 weeks ago
IISER 2026 application fee is updated online. The application fee for IISER 2026 is Rs. 2000 (General, EWS, OBC, and OBC-NCL). For other categories, the fee is Rs. 1000.
V
Contributor-Level 10
Answered 3 weeks ago
The official website to check the result of IISER 2026 is iiseradmission.in. Students have to provide the required credentials to check the exam result.
V
Contributor-Level 10
Answered 3 weeks ago
There are 2343 seats, including supernumerary seats for BS-MS / BS / B.Tech. programmes.
BS-MS programme seat matrix
| IISER | Total Seats |
| IISER Berhampur | 300 |
| IISER Bhopal | 300 |
| IISER Kolkata | 280 |
| IISER Kolkata (BS-MS in Computational and Data Sciences) | 30 |
| IISER Pune | 288 |
| IISER Mohali | 275 |
| IISER Thiruvananthapuram | 320 |
| IISER Tirupati | 250 |
V
Contributor-Level 10