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    IISER Exam Analysis 2025 - Difficulty Level, Memory Based Questions PDF

    IISER Exam Analysis 2025 - Difficulty Level, Memory Based Questions PDF

    Shivani PooniaUpdated on 29 May 2026, 01:36 AM IST

    IISER Exam Analysis 2026- Candidates who are preparing for the IISER 2026 exam will be able to check the IISER exam analysis on this page. which will comprise various aspects such as the difficulty level of the exam, types of questions asked, and important topics. The IISER Aptitude Test 2026 will be conducted on 7th June. The coaching institutes will release the IISER question paper on memory-based recollections. The past years' exam analyses are useful to understand the past year trends, the difficulty level, and the most asked topics, so that candidates can make a strategy for the exam preparation. For now, you can check the IISER's previous year analysis on this page.

    IISER Exam Analysis 2025 - Difficulty Level, Memory Based Questions PDF
    IISER Exam Analysis 2025- Check the previous years IISER IAT exam analysis here

    IISER Exam Paper Analysis 2026

    The IISER Exam analysis for 2026 will be updated here as soon as the exam is over. We will provide the updated analysis for all the topics and chapters along with students' reactions and weightage properties. Candidates will be able to identify the important topics with the help of the IISER exam analysis from the previous year.

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    IISER Exam Analysis 2025

    The exam was of medium difficulty this year. For students of PCB in class 12, mathematics was easier and highly scoring as it was fairly straightforward. The biology section was also easier to moderate for PCB students, albeit a little trickier and more conceptual than last year. Physics was also a scoring subject among both PCM and PCB students since most considered it to be logical and simple.

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    How is the IISER paper analysis 2025 helpful?

    • IISER exam analysis 2025 is a detailed observation of the IISER exam paper. It provides information about the difficulty level, frequently occurring topics, etc.

    • The exam analysis of IISER 2025 helps in evaluating the performance of the candidates in the exam.

    • Candidates get an idea of the cut-off for the year that is expected to rise or fall based on the IISER exam analysis 2025.

    Syllabus
    This IISER syllabus ebook thoroughly outlines the Physics, Chemistry, Mathematics, and Biology topics featured in the IISER Aptitude Test.
    Download EBook

    IISER Exam Analysis 2024

    The IISER 2024 exam was considered moderately difficult overall. The Mathematics section was comparatively easier and score-friendly for students from the PCB stream. Physics was a moderate paper with both conceptual and numerical-based questions, at a moderate level. Chemistry was balanced, most questions were NCERT-based, while the Biology was lengthy and more conceptual than in other years; hence, it was a moderate paper for many candidates. Most candidates who had a grasp of concepts and were practicing regularly could attempt the paper comfortably.


    IISER 2023 Exam Analysis

    The IISER Aptitude test was found to be moderate in terms of difficulty level. Students who had chosen PCB in class 12 found mathematics to be moderate to difficult, while students who had chosen PCM in class 12 found biology to be moderate to difficult. Chemistry and Physics, the common subjects for both streams of students, had a moderately easy exam difficulty level. The chemistry section had questions from both the organic and inorganic. Biology questions were mostly based on the 12th level. Instead of the regular physics numerical questions, this time there were a lot more theoretical questions. The mathematics questions were based on reasoning, relations and functions, sets, etc.


    IISER 2022 Exam Analysis

    The IISER exam 2022 was held on July 3, 2022. The exam had questions from Mathematics, Physics, Chemistry, and Biology subjects. It was held as a computer-based test. The exam was rated as a moderate-difficult level by the candidates who took the exam. The mathematics section was difficult. The physics and chemistry sections were moderately challenging. Meanwhile, the biology section was the easiest compared to the 4 sections. For answering the physics and mathematics questions, the candidates were required to have an in-depth knowledge of the topics asked. Moreover, the questions from the chemistry subject seemed at par with the JEE Mains level. Another challenge was that the exam was lengthy.

    Frequently Asked Questions (FAQs)

    Q: Who conducts the IISER exam?
    A:

    The Indian Institutes of Science Education and Research (IISER) is the authority that supervises admissions into various IISER institutes across the country.

    Q: Is the IISER exam difficult to crack?
    A:

    The IISER exam can be cracked with strategic efforts. Candidates must be consistent as the questions are based on class 11 and 12 level topics. It is a national level examination so it definitely attracts competition. However, with the right preparation tips, past year analysis, mock tests and sample papers, any student can crack this exam.

    Q: Is there a negative marking in IISER Aptitude Test?
    A:

    Yes, for each incorrect answer, there is a deduction of 1 mark. At the same time, every correct answer will be awarded 4 marks.

    Q: What is the last date to apply for the IISER Aptitude Test(IAT) 2026?
    A:

    The registration window for the IISER IAT 2026 exam has opened on 5 March and will remain open till 13 April 2026.

    Q: How can I register for the IISER IAT 2026 exam?
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    Questions related to IISER Aptitude Test

    On Question asked by student community

    Have a question related to IISER Aptitude Test ?

    Hi! To prepare for the IISER Aptitude Test, you need to understand the syllabus, exam pattern, and follow a proper preparation strategy. Click on the links below to learn more.

    Link: IISER Syllabus and Pattern
    IISER Preparation Tips

    You can find IISER Aptitude Test (IAT) previous year question papers and answer keys on educational websites like Careers 360. They provide with the official question papers as well as the answer key.

    Read more at

    https://engineering.careers360.com/articles/iiser-2025-question-paper-solutions

    Hello,

    If you have uploaded the old EWS certificate (2024–2025) instead of the new one (2025–2026), there is a chance that it may not be accepted, as the IISER notification clearly asks for the valid and updated EWS certificate for the year 2025–2026.

    Right now, if the correction window is

    Hello,

    If you have selected OBC-NCL category and uploaded a Central OBC-NCL certificate , then there is no issue .

    IISER accepts Central OBC-NCL certificate , as long as it is valid and issued by a competent authority. Just make sure the certificate is:

    • Issued within one year from the

    Hello aspirant,

    Applicants must take either the JEE Main or JEE Advanced exam in order to be considered for admission to the best engineering institutes in India. JEE Advanced and Main are administered by separate bodies. Because the JEE Advanced exam is more difficult than the JEE Main exam, candidates