Free practice series
IISER IAT Mock Test 2026
A free IISER IAT mock test series. The paper runs 60 questions in 180 minutes for 240 marks, an even 15 questions in each of Biology, Chemistry, Mathematics and Physics. Every IISER IAT online test here is free to attempt and returns a section-wise result the moment you submit.
Three hours for 60 questions is three minutes each, which is far more time per question than any engineering entrance gives you, and it tells you what kind of paper this is. IAT is not a speed test; the questions expect working rather than recognition, and a candidate who has trained on 60-second JEE pacing will finish early and score badly. Slow down and solve. All four subjects are weighted identically at 15 questions and 60 marks, so there is no section to specialise in, and a weakness in any one costs a full quarter of the paper. Four marks for a correct answer against one off puts break-even at one in five.
- Checked tests
- 5
- Full mocks
- 1
- Questions
- 120
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IAT
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Full Mock Test 1
60 questions · 180 minutes · Review the marking rules before starting.
Sectional testsWork on one section before the full paper.4 tests
How this page is made: the TakeMockTest Editorial Team maintains this series. Every pattern figure below is taken from the official source linked with it and carries the date it was last checked. Questions are written in-house to the published syllabus and audited before release. Read the editorial policy.
IISER IAT exam pattern
IAT
Official 2026 patternBiology · Chemistry · Mathematics · Physics. Negative marking: 1 per wrong answer. Single unrestricted 180-minute timer for the Full Mock, covering all four sections; no sectional lock..
The official IAT 2026 question paper is bilingual English & Hindi; this mock is English-only as a platform limitation, not a claim that the official exam itself is English-only. Syllabus is primarily CBSE 2025-26 / NCERT Classes XI-XII, with foundational Class X knowledge sometimes required. No current-affairs section; scientific facts are syllabus-appropriate and do not depend on post-exam news. NEST, JEST and IISER interview/counselling stages are separate products and not part of this mock.
Official source · checked 31 August 2026Frequently asked questions
How many IISER IAT mock tests are available here?
This page currently has 5 syllabus-checked tests for IISER IAT: 1 full-length mock, and 4 sectional tests.
Are these IISER IAT tests based on the official pattern?
Yes. Every checked IISER IAT test matches the official pattern's question count, marks, duration and negative marking, and the source document is linked with the date it was last read. For the paper, that is 60 questions for 240 marks in 180 minutes.
How long does a IISER IAT mock test take?
A full-length IISER IAT mock here runs 180 minutes, matching the official working time for the paper it reproduces. The timer starts when you begin and the test submits itself when time runs out, so it is worth starting one only when you can sit it through. The shorter tests on this page run from 45 minutes, for when you do not have a full sitting free.
Do these IISER IAT mock tests have negative marking?
Yes. Every IISER IAT test here deducts 1 mark for a wrong answer and scores an unanswered question zero, the same as the official scheme it is checked against. Your result breaks out what the deduction cost you, so you can see whether guessing helped or hurt.
Should I start with a full-length IISER IAT mock or a sectional test?
Start with a full-length mock if you have not sat the whole IISER IAT paper under its official timer before: it is the only thing here that tells you whether you can finish in time. Move to the 4 sectional tests once the full mock has shown you which section is costing you marks, and use them to rebuild that one section rather than re-sitting the whole paper each time.
Are these IISER IAT mock tests free?
Yes. All 5 IISER IAT tests on this page are free to attempt, with no account and no paid tier holding back better questions.