IAT (IISER Aptitude Test) 2026 — Indian Institutes of Science Education and Research Aptitude Test (IAT) Free Online Mock Test Series

Prepare for Indian Institutes of Science Education and Research Aptitude Test (IAT) (IAT (IISER Aptitude Test)) conducted by Indian Institutes of Science Education and Research (IISERs) with free online mock tests, sectional practice sets, and topic-wise drills on Mock Test Mama. Every practice paper is strictly aligned with the latest official exam pattern (Biology (15 Qs), Chemistry (15 Qs), Mathematics (15 Qs), Physics (15 Qs)), marking scheme, and difficulty profile, complete with detailed step-by-step solutions and instant performance analytics.

Conducted by: Indian Institutes of Science Education and Research (IISERs) | Pay Scale: As per official 7th CPC / State Pay Matrix & applicable allowances

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IISER Aptitude Test (60 Questions, 240 Marks, 180 Mins)

  • Biology (15 Questions) — Botany: Diversity in Living World, Structural Organisation in Plants, Plant Physiology, Reproduction in Plants, Genetics | Zoology: Structural Organisation in Animals, Cell Structure and Function, Human Physiology, Biotechnology, Ecology and Environment
  • Chemistry (15 Questions) — Physical Chemistry: Some Basic Concepts in Chemistry, Atomic Structure, Chemical Thermodynamics, Chemical Kinetics, Solutions | Inorganic Chemistry: Classification of Elements, p-Block Elements, d- and f-Block Elements, Coordination Compounds | Organic Chemistry: Basic Principles, Hydrocarbons, Compounds containing Halogens, Oxygen and Nitrogen, Biomolecules
  • Mathematics (15 Questions) — Algebra: Sets, Relations and Functions, Complex Numbers, Matrices and Determinants, Permutations and Combinations, Binomial Theorem | Calculus: Limit, Continuity and Differentiability, Integral Calculus, Differential Equations | Coordinate Geometry: Straight Lines, Conic Sections, Three Dimensional Geometry, Vector Algebra | Statistics and Trigonometry: Statistics and Probability, Trigonometry
  • Physics (15 Questions) — Mechanics: Kinematics, Laws of Motion, Work, Energy and Power, Rotational Motion, Gravitation | Thermal Physics: Thermodynamics, Kinetic Theory of Gases | Electromagnetism: Electrostatics, Current Electricity, Magnetic Effects of Current, Electromagnetic Induction, AC Circuits | Optics and Modern Physics: Ray Optics, Wave Optics, Dual Nature of Matter, Atoms and Nuclei, Electronic Devices

Frequently Asked Questions

What is the official examination pattern for IAT (IISER Aptitude Test) 2026?

The IAT (IISER Aptitude Test) (Indian Institutes of Science Education and Research Aptitude Test (IAT)) examination conducted by Indian Institutes of Science Education and Research (IISERs) comprises 1 stage(s): IISER Aptitude Test (60 Questions, 240 Marks, 180 minutes).

What are the sections and syllabus topics in IAT (IISER Aptitude Test)?

In IISER Aptitude Test, the paper is divided into 4 section(s): Biology (15 Qs), Chemistry (15 Qs), Mathematics (15 Qs), Physics (15 Qs). Each section tests core conceptual clarity, speed, and analytical application.

Is there negative marking in the IAT (IISER Aptitude Test) exam?

Yes, 1 marks are deducted for every incorrect answer, while each correct response awards +4 mark(s). Unattempted questions carry zero penalty.

In which languages is the IAT (IISER Aptitude Test) mock test series available?

IAT (IISER Aptitude Test) is officially supported in English, Hindi, Telugu, Tamil, Kannada, Malayalam, Marathi, Bengali, Gujarati, Punjabi, Odia, Assamese, Urdu. On Mock Test Mama, you can practice full-length mock tests, sectional tests, and chapter-wise topic drills in your preferred exam language.

How can I attempt a free IAT (IISER Aptitude Test) online mock test with solutions?

You can start a free full-length IAT (IISER Aptitude Test) mock test immediately on Mock Test Mama (mocktestmama.in) by clicking "Start Free Test" on any Full Mock Set, Sectional Test, or Topic Drill card above—complete with a real CBT timer, instant score report, and step-by-step explanations.