The syllabus of the IAT exam is prescribed by the IISER (Indian Institute of Science Education & Research). The IAT syllabus 2026 will comprise 4 sections which are Physics, Chemistry, Mathematics, and Biology. With the aim to perform efficiently in the test, students should broadly follow the NCERT curriculum of specified subjects.
In this article, students will get complete key-highlights of IAT syllabus 2026 with the link to PDF download of the syllabus.
IISER Aptitude Test (IAT) Syllabus 2026: Overview
The IAT stands for IISER Aptitude Test and is conducted every year for the students who wish to get enrolled for either of the courses i.e., 5 years BS + MS, 4 years BS, or 4 years B.Tech program.
In order to prepare for the entrance test, students should get acquainted with the exam syllabus, to avoid any inconvenience while attempting the IAT Exam 2026.
The IISER entrance exam syllabus contains the following subjects:
- Biology
- Chemistry
- Mathematics
- Physics
IAT Syllabus 2026: Download PDF
Through IAT syllabus PDF download, students can get detailed information on topics and sub-topics of all 4 specified subjects. Moreover, significant knowledge about the IAT 2026 syllabus is a crucial step for the students before commencing the preparation of the examination as it helps in understanding the important topics and promotes consistency.
Student can click on the following free download buttons, in order to get IAT 2026 syllabus PDF:
IAT Syllabus 2026: Subject-Wise Details
As per the IISER Aptitude Test syllabus, the exam paper contains 4 sections including Biology, Chemistry, Mathematics, and Physics. Students are advised to go through the subject-wise syllabus of IAT 2026 as mentioned below to secure excellent marks in the test:
Biology
The IAT syllabus 2026 includes various topics and sub-topics under the section of Biology subject. These topics are as follows:
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Topics
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Diversity in the Living World
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Reproduction
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Structural Organisation in Plants and Animals
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Genetics and Evolution
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Cell: Structure and Functions
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Biology in Human Welfare
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Plant Physiology
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Biotechnology
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Human Physiology
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Ecology
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Chemistry
The detailed syllabus of Chemistry section under IAT syllabus 2026 are mentioned below:
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Topics
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Some Basic Concepts of Chemistry
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Electrochemistry
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Structure of the Atom
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Chemical Kinetics
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Classification of Elements and Periodicity in Properties
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Organic Chemistry – Some Basic Principles and Techniques
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Chemical Bonding and Molecular Structure
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Hydrocarbons
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The D & F Block Elements
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Haloalkanes and Haloarenes
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Coordination Compounds
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Alcohols, Phenols, and Ethers
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Thermodynamics
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Aldehydes, Ketones, and Carboxylic Acids
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Equilibrium
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Organic Compounds Containing Nitrogen
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Redox Reactions
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Biomolecules
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Solutions
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Mathematics
The complete IAT Maths syllabus comprises of the following topics mentioned in the table:
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Topics
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Sets and Logic
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Three-Dimensional Geometry
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Basic Counting Techniques
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Sequences & Series
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Complex Numbers, Linear, and Quadratic Equations
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Limit & Continuity
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Trigonometric Functions
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Differentiation
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Vectors
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Integration
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Matrices & Determinants
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Differential Equations
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Coordinate Geometry
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Statistics, Probability & Linear Programming
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Physics
Students can refer to the following table to get detailed information on the curriculum of Physics section under the IAT exam syllabus 2026:
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Topic
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Units and Measurements
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Electric Charges and Fields
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Motion in a Straight Line
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Electrostatic Potential and Capacitance
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Motion in a Plane
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Current Electricity
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Laws of Motion
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Moving Charges and Magnetism
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Work, Energy, and Power
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Magnetism and Matter
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System of Particles and Rotational Motion
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Electromagnetic Induction
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Gravitation
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Alternating Current
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Mechanical Properties of Solids
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Electromagnetic Waves
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Mechanical Properties of Fluids
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Ray Optics and Optical Instruments
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Thermal Properties of Matter
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Wave Optics
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Thermodynamics
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Dual Nature of Radiation and Matter
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Kinetic Theory
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Atoms
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Oscillations
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Nuclei
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Waves
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Semiconductor Electronics
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* Students are recommended to complete the IAT Registration 2026 process, prior to the last date of application. Moreover, they should go through the IAT Exam Pattern 2026 along with the syllabus, to get complete knowledge on the curriculum, types of questions, marking scheme, and so on.
