IISER Entrance Exam Previous Year Question Paper; Download 2024, 2023, 2022, 2021, 2020 Question Paper
Indian Institutes of Science Education and Research Entrance Exam 2025 ( IISER Entrance Exam )
IISER Previous year question papers are an invaluable resource for students preparing for the IISER Aptitude Test 2025. These papers offer a unique insight into 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 and carries multiple choices (MCQs). Each question has four answer options. Candidates have to deduce the correct answer option and click on it with the help of mouse. Since IISER 2025 exam is conducted in a computer-based mode, test-takers will be able to mark only one answer option.
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 |
Marking scheme: 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 2 months ago
With a 7,000 rank in the SC category, admission to any IISER (including newer campuses) is not possible as per 2025 cutoffs. Cutoff ranks for SC category in IISERs generally close between 125 (most competitive) and 750 (least competitive).
P
Contributor-Level 7
Answered 2 months ago
IISER Berhampur cutoff 2025 for the BS + MS course across multiple specialisations stood at 3299 during the Round 1 cutoff for the students belonging to the General AI quota. So, considering the first-round cutoff rank, candidates must target to secure a rank up to 3299 and lower to improve their ch
R
Contributor-Level 10
Answered 2 months ago
IISER Mohali cutoff 2025 has been released for different categories of students under the AI quota. For the General category, the cutoff rank for BS + MS admission across multiple specialisations was 1778. To view the category-wise ranks, refer to the table below:
| Category | BS + MS |
|---|---|
| General | 1778 |
| OBC | 1358 |
| SC | 520 |
| ST | 263 |
| EWS | 480 |
| PWD | 50112 |
R
Contributor-Level 10
IISER Entrance Exam Notifications
The IISER Entrance Exam 2025 pattern has already announced. IISER Entrance Exam 2025 pattern remains to be same as of the previous year of IISER Entrance Exam which was also conducted in online mode I. e. computer-based. IAT consist of 60 questions, 15 questions each from Biology Chemistry Mathematics, and Physics. Total time for answering the test was 180 minutes. Questions were multiple choice type with only one correct answer.