IISER Entrance Exam
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New answer posted
3 years agoContributor-Level 8
Hi there, calculating marks from the rank is something that is not possible. You can get somewhat of an estimate but there is no way to know if it will be correct or not. There are some estimators that can be used to get your predicted rank by your marks but not one for vice versa. Your rank depends on your competitors and yourself while your marks depend upon the difficulty level as well. For IAT, rank is way more important than marks. So, don't burden yourself with worrying about your marks or cut off. Your rank matters the most.
New answer posted
3 years ago
Contributor-Level 10
The authority opened the IISER objection window on June 9, 2026. Candidates have to use their IAT login details to access the objection portal.
New answer posted
3 years ago
Contributor-Level 10
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.
New answer posted
3 years ago
Contributor-Level 10
IISER 2026 provisional answer key was released on June 7, 2026. The link to check the answer key was available on the website, iiseradmission.in.
New answer posted
3 years ago
Contributor-Level 10
Content of books You must refer to the reviews of the best books for IISER Aptitude Test preparation to know how easy it would be to read and understand those books. The factors in the content that should be checked include the quality of language or ease of understanding or comprehension, coverage of topics and chapters from the IISER Aptitude Test syllabus, among others. Edition Candidates should always refer to the latest edition of IISER entrance preparation books. Older editions may contain outdated content,
New answer posted
3 years ago
Contributor-Level 10
Here we bring the list of top books for the IISER Aptitude Test Chemistry section.
1. NCERT Chemistry Class XI
2. NCERT Chemistry Class XII
3. Organic Chemistry by Morrison and Boyd
4. Inorganic Chemistry for IIT JEE by O. P Tandon
5. Concise Inorganic Chemistry for JEE by J. D Lee
6. Numerical Chemistry by P Bahadur
7. Chemical Calculations by R. C Mukherjee.
New answer posted
3 years ago
Contributor-Level 10
The best Biology books for IISER Aptitude Test are listed in the table below.
1. Objective Biology Volume I & II by Truemans
2. Objective NCERT at Your Fingertips by MTG Editorial Board
3. NCERT Biology Book for Class 12 by NCERT
4. Master The NCERT for NEET 11 & 12 Biology by Sanjay Sharma
5. Handbook of Biology by Arihant.
New answer posted
3 years ago
Contributor-Level 10
The most preferred books for the IISER Aptitude Test for Mathematics along with their authors are listed below.
1. Problems Plus in IIT Mathematics by A Das Gupta
2. Comprehensive Mathematics JEE Advanced by Tata McGraw Hill
3. Plane Trigonometry Part 1 by SL Loneyx.
New answer posted
3 years ago
Contributor-Level 10
1. Physics 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers.
2. Mathematics- 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers.
3. Chemistry 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers.
4. Biology 15 questions will be asked in the examination and 60 marks will be the maximum awarded for
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