IISER Entrance Exam 2025 Pattern: Check Negative Marking Scheme & Section-wise Paper Pattern Here
Indian Institutes of Science Education and Research Entrance Exam 2026 ( IISER Entrance Exam )
IISER Entrance Exam 2025 pattern remains the same as the previous year's IISER Entrance Exam. The exam was conducted in a computer-based test. IAT 2025 applicants' subject knowledge will be tested based on the format of multiple-choice questions (MCQs) in the exam.
IAT 2025 mock test link will be activated soon for the test takers to practice the exam questions in the predefined exam pattern and timings. There will be only 60 MCQs that the exam authority will ask from the mentioned IISER syllabus 2025.
Last year, the marking scheme of the exam was modified. The only change that was made by the exam conducting body is the marks earned for each correct answer. Earlier, the examination was 180 marks, but now the maximum mark of the examination is 240 marks.
Latest Updates:
- IISER Entrance Exam 2025 Highlights
- IISER Entrance Exam 2025 Marking Scheme
IISER Entrance Exam 2025 Highlights
The IISER exam is held once a year in online mode by the exam conducting authority, the Indian Institute of Science Education and Research. There are a total of 240 scores in the IISER Question paper, and the exam language is English. For each correct answer, one will get 4 marks, and for every incorrect answer, one mark will be subtracted. Students must visit the IAT official portal to go through the upcoming events and dates related to the IAT exam.
Commonly asked questions
IISER Exam pattern for the academic session 2026-27 is yet to be announced. However, last year 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. The only change which is made by the exam conducting body is the marks awarded for each correct anwer.
IISER Entrance Exam 2025 Marking Scheme
The IISER Entrance Exam Marking Scheme is mentioned below:
There are a total of four subjects in the IISER exam, and each section has a total of 15 questions, and every section has 60 marks. Students should know that the questions are asked from Physics, Biology, Mathematics, and Chemistry. The IAT question paper is of 240 marks and has 60 questions in total.
Marking scheme: Candidates will be awarded three marks for each correct answer. There will be a negative marking of one mark for each incorrect answer.
Commonly asked questions
The IISER Entrance Exam Marking Scheme is as follows:
- Physics 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers.
- Mathematics- 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers.
- Chemistry 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers.
- Biology 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers. Marking scheme: Candidates will be awarded three marks for each correct answer. There will be negative marking of one mark for each incorrect answer.
The question paper will be in English and Hindi languages. The candidates must read all the given instructions provided in the question papers at the time of examination.
IISER Entrance Exam Exam
Student Forum
Anything you would want to ask experts?Answered 2 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 2 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 2 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 2 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 2 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 4 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 4 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 4 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 marks of the IISER entrance exam are 240. Each question has four marks. One mark will be removed for each wrong answer. No marks will be removed for questions not answered. Each section will have 15 questions. Marks in each section are 60. All questions are compulsory. The sections are Physics,
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
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CGCUET 2026 Registration 1 Nov '25 - 29 Dec '25
Can I check my IISER Entrance Exam result in offline mode?