IISER IAT Pattern Mock

IISER IAT 2026 – Full Mocks, PYQ Pattern Papers & Topic Tests

Hard level Negative marking ₹299 Free demo test
47Tests + free demo
740Questions
2960Total marks
2220 minPractice time

About this test series

Complete IISER IAT preparation in the 2026 pattern: full-length mock tests with the exact sections, question count, marking scheme and time limit, previous-year-pattern papers, sectional tests and topic-wise tests. Pattern: IISER Aptitude Test: 60 questions (15 each), 240 marks, 3 hours. +4 / −1.

+4Marks per correct
−1Per wrong answer
33%Pass mark
Not allowed Calculator

Syllabus coverage 4 subjects

Subject Questions Marks Share
Mathematics 240 960
32%
Biology 180 720
24%
Physics 170 680
23%
Chemistry 150 600
20%

Tests in this series 47 tests + 1 free demo

Free demo

IISER IAT Free Demo Test

Try 12 questions in the real IISER IAT format before you buy.

36 min 12 Qs 48 marks 1 per wrong 3 attempts

Biology 3 · Chemistry 3 · Mathematics 3 · Physics 3

Easy 7 Medium 4 Hard 1

Test 1 · IISER IAT Full Mock Test 1 (2026 Pattern)

Full-length mock exactly like the real paper – 60 questions, 240 marks, 180 minutes. Sections: Biology 15, Chemistry 15, Mathematics 15, Physics 15.

180 min 60 Qs 240 marks 1 per wrong 3 attempts

Biology 15 · Chemistry 15 · Mathematics 15 · Physics 15

Easy 31 Medium 27 Hard 2

Test 2 · IISER IAT Full Mock Test 2 (2026 Pattern)

Full-length mock exactly like the real paper – 60 questions, 240 marks, 180 minutes. Sections: Biology 15, Chemistry 15, Mathematics 15, Physics 15.

180 min 60 Qs 240 marks 1 per wrong 3 attempts

Biology 15 · Chemistry 15 · Mathematics 15 · Physics 15

Easy 26 Medium 32 Hard 2

Test 3 · IISER IAT Full Mock Test 3 (2026 Pattern)

Full-length mock exactly like the real paper – 60 questions, 240 marks, 180 minutes. Sections: Biology 15, Chemistry 15, Mathematics 15, Physics 15.

180 min 60 Qs 240 marks 1 per wrong 3 attempts

Biology 15 · Chemistry 15 · Mathematics 15 · Physics 15

Easy 33 Medium 25 Hard 2

Test 4 · IISER IAT Full Mock Test 4 (2026 Pattern)

Full-length mock exactly like the real paper – 60 questions, 240 marks, 180 minutes. Sections: Biology 15, Chemistry 15, Mathematics 15, Physics 15.

180 min 60 Qs 240 marks 1 per wrong 3 attempts

Biology 15 · Chemistry 15 · Mathematics 15 · Physics 15

Easy 30 Medium 28 Hard 2
Sectional test

Test 5 · Sectional Test: Biology

15 questions on Biology at the real exam's level and marking.

45 min 15 Qs 60 marks 1 per wrong 3 attempts
Easy 6 Medium 9 Hard 0
Sectional test

Test 6 · Sectional Test: Chemistry

15 questions on Chemistry at the real exam's level and marking.

45 min 15 Qs 60 marks 1 per wrong 3 attempts
Easy 8 Medium 7 Hard 0
Sectional test

Test 7 · Sectional Test: Mathematics

15 questions on Mathematics at the real exam's level and marking.

45 min 15 Qs 60 marks 1 per wrong 3 attempts
Easy 9 Medium 3 Hard 3
Sectional test

Test 8 · Sectional Test: Physics

15 questions on Physics at the real exam's level and marking.

45 min 15 Qs 60 marks 1 per wrong 3 attempts
Easy 12 Medium 2 Hard 1
Topic-wise test

Test 9 · Topic Test: Cell: Structure & Function

10 questions on Cell: Structure & Function for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 10 · Topic Test: Mole Concept & Stoichiometry

10 questions on Mole Concept & Stoichiometry for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 11 · Topic Test: Sets, Relations & Functions

10 questions on Sets, Relations & Functions for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 9 Medium 1 Hard 0
Topic-wise test

Test 12 · Topic Test: Motion & Kinematics

10 questions on Motion & Kinematics for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 1 Medium 9 Hard 0
Topic-wise test

Test 13 · Topic Test: Human Physiology – Hormones

10 questions on Human Physiology – Hormones for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 10 Hard 0
Topic-wise test

Test 14 · Topic Test: Solutions, pH & Concentration

10 questions on Solutions, pH & Concentration for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 10 Hard 0
Topic-wise test

Test 15 · Topic Test: Trigonometric Functions

10 questions on Trigonometric Functions for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 16 · Topic Test: Force, Work, Energy & Power

10 questions on Force, Work, Energy & Power for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 17 · Topic Test: Human Health & Disease

10 questions on Human Health & Disease for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 10 Hard 0
Topic-wise test

Test 18 · Topic Test: Atomic Structure & Periodic Table

10 questions on Atomic Structure & Periodic Table for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 7 Medium 3 Hard 0
Topic-wise test

Test 19 · Topic Test: Complex Numbers

10 questions on Complex Numbers for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 20 · Topic Test: Current Electricity

10 questions on Current Electricity for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 6 Medium 4 Hard 0
Topic-wise test

Test 21 · Topic Test: Plant Physiology

10 questions on Plant Physiology for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 10 Hard 0
Topic-wise test

Test 22 · Topic Test: Common Compounds

10 questions on Common Compounds for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 23 · Topic Test: Permutations, Combinations & Binomial Theorem

10 questions on Permutations, Combinations & Binomial Theorem for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 6 Medium 4 Hard 0
Topic-wise test

Test 24 · Topic Test: Light, Sound & Waves

10 questions on Light, Sound & Waves for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 6 Hard 4
Topic-wise test

Test 25 · Topic Test: Biology Concepts

10 questions on Biology Concepts for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 3 Medium 7 Hard 0
Topic-wise test

Test 26 · Topic Test: Chemistry Concepts

10 questions on Chemistry Concepts for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 7 Medium 3 Hard 0
Topic-wise test

Test 27 · Topic Test: Sequences & Series

10 questions on Sequences & Series for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 9 Medium 1 Hard 0
Topic-wise test

Test 28 · Topic Test: Heat, Pressure & Properties of Matter

10 questions on Heat, Pressure & Properties of Matter for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 9 Medium 1 Hard 0
Topic-wise test

Test 29 · Topic Test: Genetics & Molecular Biology

10 questions on Genetics & Molecular Biology for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 5 Medium 3 Hard 2
Topic-wise test

Test 30 · Topic Test: Organic Chemistry

10 questions on Organic Chemistry for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 5 Medium 4 Hard 1
Topic-wise test

Test 31 · Topic Test: Straight Lines & Conic Sections

10 questions on Straight Lines & Conic Sections for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 3 Medium 7 Hard 0
Topic-wise test

Test 32 · Topic Test: Units & Measurements

10 questions on Units & Measurements for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 33 · Topic Test: Human Physiology

10 questions on Human Physiology for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 5 Medium 5 Hard 0
Topic-wise test

Test 34 · Topic Test: Limits & Derivatives

10 questions on Limits & Derivatives for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 4 Medium 6 Hard 0
Topic-wise test

Test 35 · Topic Test: Physics Concepts

10 questions on Physics Concepts for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 5 Medium 4 Hard 1
Topic-wise test

Test 36 · Topic Test: Ecology & Environment

10 questions on Ecology & Environment for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 8 Medium 2 Hard 0
Topic-wise test

Test 37 · Topic Test: Statistics & Probability

10 questions on Statistics & Probability for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 3 Hard 7
Topic-wise test

Test 38 · Topic Test: Modern Physics & Electronics

10 questions on Modern Physics & Electronics for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 6 Medium 4 Hard 0
Topic-wise test

Test 39 · Topic Test: Diversity of Living Organisms

10 questions on Diversity of Living Organisms for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 8 Medium 2 Hard 0
Topic-wise test

Test 40 · Topic Test: Matrices & Determinants

10 questions on Matrices & Determinants for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 5 Medium 5 Hard 0
Topic-wise test

Test 41 · Topic Test: 3 × 3 Determinants & Inverse

10 questions on 3 × 3 Determinants & Inverse for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 0 Hard 10
Topic-wise test

Test 42 · Topic Test: Continuity, Differentiation & Applications

10 questions on Continuity, Differentiation & Applications for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 0 Hard 10
Topic-wise test

Test 43 · Topic Test: Integrals & Applications

10 questions on Integrals & Applications for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 10 Hard 0
Topic-wise test

Test 44 · Topic Test: Vectors & Three-Dimensional Geometry

10 questions on Vectors & Three-Dimensional Geometry for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 10 Medium 0 Hard 0
Topic-wise test

Test 45 · Topic Test: Linear Programming & Probability

10 questions on Linear Programming & Probability for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 10 Hard 0
Topic-wise test

Test 46 · Topic Test: Quadratic Equations

10 questions on Quadratic Equations for IISER IAT, with full solutions.

30 min 10 Qs 40 marks 1 per wrong 3 attempts
Easy 0 Medium 10 Hard 0
Previous year pattern

Test 47 · IISER IAT Previous Year Pattern Paper 1

Built on the topics and weightage asked in recent IISER IAT papers (2023–2025), in the 2026 pattern. Original practice questions – not a reproduction of an official paper.

180 min 60 Qs 240 marks 1 per wrong 3 attempts

Biology 15 · Chemistry 15 · Mathematics 15 · Physics 15

Easy 38 Medium 19 Hard 3

What you get in the exam window

Question paletteAnswered, not answered, marked for review and not visited, colour-coded like the real CBT.
Section-wise navigationJump between sections with the marks for each question shown.
Rough notesA scratch pad for working out answers during the test.
Auto-saveAnswers survive a refresh, and the test submits itself when time runs out.
Detailed resultScore, rank, percentile, section-wise accuracy and answer review.