IISER Entrance Exam Previous Year Question Paper; Download 2025, 2024, 2023, 2022, 2021, 2020 Question Paper
Indian Institutes of Science Education and Research Entrance Exam 2026 ( IISER Entrance Exam )
Response Sheet
9 Jul '26 - 13 Jul '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
IISER entrance exam previous year question paper is available online. Students can download the IAT previous year question paper pdf to prepare for the entrance exam. Solving the IISER question paper will help to know the exam difficulty level and high weightage topics. Candidates can also self assess their performance and improve the weak topics. The IISER question paper is updated on this page. Download the question paper PDF and start preparing for the IISER entrance exam 2026.
Also Read: IISER IAT 2026 Exam Live: Exam Day instructions, Exam Analysis & Expected Cutoff
- 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 PYQs 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:
Practising with PYQs will enable students to practice effective time management principles. Students will determine how to maximise 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.
IISER response sheet 2026 was released on June 9, 2026. Candidates can check their response sheet through the login portal. IAT login details, such as user id and password, are required to check the response sheet.
The IISER Entrance Exam Marking Scheme is given below.
| Section | Marks |
|---|---|
| Physics | 60 |
| Mathematics | 60 |
| Chemistry | 60 |
| Biology | 60 |
Each section carries 15 marks.
IISER 2026 exam pattern is out. No changes have been made in the IISER entrance exam pattern. The exam was conducted as a computer-based test for three hours. There were 4 sections in the IISER question paper. Each section carries 15 questions.
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 |
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IISER Entrance Exam 2026: Subject Weightage
The IISER Entrance Exam Marking Scheme and subject weightage are 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 authority has released the IISER 2026 exam pattern online. Candidates can check the exam pattern of IAT 2026 to know the structure of the question paper. The exam pattern consists of a marking scheme, mode of exam, duration of test, types of questions and more. IAT question paper has four sections. Each section has 15 questions. Below is the marking scheme of the IISER entrance exam 2026.
| 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 6 days ago
Yes, you can get admission to the IISER with 6000 rank. However, admission will depend on your category. SC/ST category students have a strong chance of admisison with the mentioned rank. General category students can get admission to the newly added IISER.
V
Contributor-Level 10
Answered a week ago
In such a situation, you have to prioritise which exam you want to appear for. You might have prepared for months for the exam. Based on your preparation, you have to decide which exam you can easily qualify for and get admission to the desired course and college.
V
Contributor-Level 10
Answered a week ago
Yes, the IAT response sheet for 2026 is officially out. You can check your response sheet on the official IISER admissions portal through your login credentials.
S
Beginner-Level 5
Answered a month ago
Students can create an IISER login id and password during registration. The details required to register for IISER are Name, Date of birth, gender, citizenship status, mobile number, and email address.
V
Contributor-Level 10
Answered a month ago
No, IISER registration was over on April 13, 2026. Students were able to register for IAT 2026 from March 5 to April 13.
V
Contributor-Level 10
Answered a month ago
IAT user id is (application number / registration number). It is created during the IISER registration process. After the registration is over, user id and password are sent to the registered email address and mobile number.
V
Contributor-Level 10