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 )
Students preparing for the IISER Aptitude Test 2025 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 important for students to understand the exam structure, trends of questions asked in the exam, question patterns, and marking scheme. By solving the IISER previous year question papers, students can gain real-time exam experience. Students will also be able to understand the weightage given to different topics and the difficulty level of the questions asked in the exam. After the conclusion of the exam, the authorities release the IAT question paper PDF on the official website.
IISER 2025 exam was conducted successfully on May 25, 2025, from 9 am to 12 pm. Candidates can download the IISER 2025 question paper very soon from the official website. Test takers can check out the IISER Previous year questions can be downloaded by visiting the official website.
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- How Does the Previous Year Question Paper Help Prepare For IISER Exam 2025?
- IISER Entrance Exam 2025 Question Paper PDF
- IISER Previous Year Question Paper PDFs
- IISER Entrance Exam 2025: Subject Weightage
- IISER Entrance Exam Pattern 2025
How Does the Previous Year Question Paper Help Prepare For IISER Exam 2025?
Past or previous Year Question Papers (PYQs) are very helpful in preparing for an exam, and the IISER Aptitude Test (IAT) 2025 is no exception. Some advantages of revising with PYQs are stated below:
Understanding of Exam Pattern:
Solving IISER previous year questions provide 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 2025 Question Paper PDF
IISER Entrance Exam 2025 was conducted on May 25, 2025, at various exam centres across the nation. The exam authority will release the IAT question paper 2025 after announcing the IAT 2025 results. IISER 2025 question will be uploaded here
| Question Paper Medium | IISER 2025 Question Paper PDF Download |
|---|---|
| English | Available Soon |
| Hindi | Available Soon |
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 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 |
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), the examination conducting body already released the IISER Aptitude Test (IAT) 2025 Student Response Sheet on second week of June 2025. Candidates can visit the official website of IISER and after logging in with their credentials can finally view their IAT 2025 Response Sheet. Candidates can finally tally up their marks scored in the IISER Aptitude Test which conducted in the first week of June 2025.
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IISER Entrance Exam 2025: 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 2025
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 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
No, the IISER Entrance Exam result can be checked only in online mode. The exam authorities will release the result or rankcard on the exam website. Students have to login with their registration credentials to download the IISER Aptitude Test result.
V
Beginner-Level 5
Answered 3 days ago
IISER Entrance Exam centres are located in cities across India. The exam is not conducted outside India. In case there is a change this year, it will be updated here.
L
Beginner-Level 5
Answered 3 days ago
No, there is no option to apply for the IISER Entrance Exam in offline mode. Students have to go to the exam website, which is iiseradmission.in to apply for the exam. The fee has to be also paid in online mode, through Credit/Debit Card or Net Banking.
P
Beginner-Level 5
Answered 3 days ago
If you are planning to appear for the IISER Entrance Exam 2026, and you will write your Board exam in the same year, you will be eligible. In case you are slated to appear for the exam in 2027, you cannot take the IISER Entrance Exam 2026. The exam is expected to be conducted in May. If you do not c
N
Beginner-Level 5
Answered 3 days ago
No, IISER Entrance Exam is conducted in a single day and slot. The total duration of the exam is three hours. There is no break in between the test. IISER Aptitude Test is conducted in computer based mode.
M
Beginner-Level 5
Answered 5 days ago
The IISER Entrance Exam Mock Test can be taken from the exam website for free. There is no fee involved for this. Neither is it necessary to register for the IISER Aptitude Test. Students can take the mock test as many times as they wish to.
A
Beginner-Level 5
Answered 5 days ago
Yes, it is mandatory to attempt all questions of the IISER Entrance Exam Mock Test at one go. The mock test gets disabled within a few minutes of inactivity. Hence, students should solve all questions within 180 minutes of starting the test. If you are unable to complete the IAT mock test in one sit
Contributor-Level 10
Answered 5 days ago
Yes, the questions of the official IISER Entrance Exam Mock Test are from the syllabus. The total duration of the mock test is 3 hours. It will provide familiarity with the IISER Aptitude Test and help in preparation.
A
Beginner-Level 5
Answered a week ago
The IISER entrance exam is of 240 marks. Each question carries four marks. There is a minus one mark for each wrong answer. No marks will be removed for questions not answered. There are 60 marks in each of the four sections. All questions are objective type and have four answer options. Students ha
M
Beginner-Level 5
Answered a week ago
There is no age limit to apply or appear for the IISER Entrance Exam 2026. However, applicants must have appeared for their Board examination in 2024, 2025 or 2026. Based on this, applicants must apply for the exam. Apart from this, students should have studied Physics, Chemistry, Biology and Mathe
A
Beginner-Level 5
IISER Entrance Exam Notifications
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.