IISER Aptitude Test Syllabus 2026 – Physics, Chemistry, Maths, Biology

The IISER Aptitude Test 2026 is a national-level entrance examination conducted for admission into the Indian Institutes of Science Education and Research (IISERs) and IISc Bangalore. It is designed to identify students with strong scientific aptitude and research-oriented thinking.

A clear understanding of the IISER Aptitude Test syllabus 2026 is the foundation of effective preparation. This exam is not about memorisation. It tests conceptual clarity, logical reasoning, and the ability to apply fundamentals across disciplines.

This blog provides a detailed, subject-wise explanation of the syllabus for Physics, Chemistry, Mathematics, and Biology, along with preparation insights and key exam details.

IISER Aptitude Test 2026 – Exam Overview

The exam overview helps students understand how the syllabus translates into the actual test. Knowing the structure allows better planning and balanced preparation.

The IISER Aptitude Test is conducted online and includes equal representation of all four subjects.

Key Features of IISER Aptitude Test 2026

• Computer-based online examination
• Objective-type multiple choice questions
• Questions from Physics, Chemistry, Maths, and Biology
• Focus on analytical and conceptual understanding
• Syllabus aligned with Class 11 and 12 NCERT

IISER Aptitude Test Exam Pattern

A balanced attempt across subjects increases the chances of securing a higher rank.

IISER Aptitude Test Physics Syllabus 2026

Physics in the IISER Aptitude Test syllabus 2026 focuses on fundamental laws, physical reasoning, and numerical problem-solving. Questions are often designed to test understanding rather than formula recall.

A strong foundation in Class 11 concepts is especially important, as many advanced topics depend on them.

Physics Syllabus – Detailed Topic List

• Physical World and Measurement
• Kinematics
• Laws of Motion
• Work, Energy and Power
• Motion of Systems of Particles and Rigid Body
• Gravitation
• Properties of Bulk Matter
• Thermodynamics
• Behaviour of Perfect Gas and Kinetic Theory
• Oscillations
• Waves
• Electrostatics
• Current Electricity
• Magnetic Effects of Current and Magnetism
• Electromagnetic Induction
• Alternating Current
• Electromagnetic Waves
• Optics
• Dual Nature of Radiation and Matter
• Atoms
• Nuclei
• Electronic Devices
• Communication Systems

Physics Topic Distribution

Preparation Insight:
Students should focus on derivations, graphs, and numerical accuracy. NCERT examples and exercises are highly relevant for IISER Aptitude Test Physics preparation.

IISER Aptitude Test Chemistry Syllabus 2026

Chemistry tests conceptual understanding across Physical, Organic, and Inorganic domains. The Chemistry syllabus for IISER Aptitude Test 2026 is extensive but predictable if studied systematically.

Balanced preparation across all branches of Chemistry is essential.

Chemistry Syllabus – Complete Coverage

• Structure of the Atom
• Classification of Elements and Periodicity
• Chemical Bonding and Molecular Structure
• States of Matter
• Thermodynamics
• Equilibrium
• Redox Reactions
• Hydrogen
• s-block Elements
• p-block Elements
• Organic Chemistry – Basic Principles
• Hydrocarbons
• Environmental Chemistry
• Solid State
• Solutions
• Electrochemistry
• Chemical Kinetics
• Surface Chemistry
• Metallurgy
• d- and f-block Elements
• Coordination Compounds
• Haloalkanes and Haloarenes
• Alcohols, Phenols and Ethers
• Aldehydes, Ketones and Carboxylic Acids
• Organic Compounds Containing Nitrogen
• Biomolecules
• Polymers
• Chemistry in Everyday Life

Chemistry Section Breakdown

Preparation Insight:
NCERT is non-negotiable for Chemistry. Reaction mechanisms, periodic trends, and factual accuracy play a major role in scoring well.

IISER Aptitude Test Mathematics Syllabus 2026

Mathematics assesses logical thinking and structured problem-solving. The IISER Aptitude Test Maths syllabus 2026 includes algebra, calculus, coordinate geometry, and statistics.

Accuracy matters more than speed in this section.

Mathematics Syllabus – Key Topics

• Sets and Relations
• Functions
• Trigonometric Functions
• Inverse Trigonometric Functions
• Mathematical Induction
• Complex Numbers
• Quadratic Equations
• Linear Inequalities
• Permutations and Combinations
• Binomial Theorem
• Sequences and Series
• Straight Lines
• Conic Sections
• Three Dimensional Geometry
• Limits and Derivatives
• Mathematical Reasoning
• Statistics
• Probability
• Matrices
• Determinants
• Continuity and Differentiability
• Applications of Derivatives
• Integrals
• Applications of Integrals
• Differential Equations
• Vectors
• Linear Programming

Mathematics Weightage Overview

Preparation Insight:
Daily practice and concept revision are critical. Mixed-topic problems should be practised regularly for confidence.

IISER Aptitude Test Biology Syllabus 2026

Biology is a crucial subject for students inclined towards life sciences and research. The Biology syllabus for IISER Aptitude Test 2026 is entirely NCERT-based and concept-heavy.

Diagrams and terminology are frequently tested.

Biology Syllabus – Topic List

• Diversity in the Living World
• Structural Organisation in Animals and Plants
• Cell Structure and Function
• Plant Physiology
• Animal Physiology
• Human Physiology
• Reproduction
• Genetics and Evolution
• Biology and Human Welfare
• Biotechnology and Its Applications
• Ecology and Environment

Biology Section Focus

Preparation Insight:
NCERT diagrams, flowcharts, and summaries should be revised multiple times. Concept clarity is more important than volume.

Why Understanding the IISER Aptitude Test Syllabus Is Important

A detailed understanding of the IISER Aptitude Test syllabus 2026 ensures focused preparation and better time management.

• Helps avoid irrelevant topics
• Improves study efficiency
• Builds exam confidence
• Enhances scoring potential

Prepare for IISER Aptitude Test 2026 with IITianGuide

If you are looking for structured preparation, expert mentoring, and exam-focused guidance, IITianGuide is the ideal choice.

With IITianGuide, you get:

• Concept-based teaching
• Experienced faculty
• IISER-focused mock tests
• Personalised study plans

Start your IISER Aptitude Test 2026 preparation with IITianGuide today and take a confident step towards India’s top science institutes.

Conclusion

The IISER Aptitude Test Syllabus 2026 covers Class 11 and 12 Physics, Chemistry, Mathematics, and Biology in depth. Although NCERT-based, the exam demands analytical thinking and conceptual clarity.

With disciplined preparation, regular revision, and expert guidance, students can confidently aim for admission to IISERs and IISc Bangalore.

Frequently Asked Questions (FAQs)

Is the IISER Aptitude Test syllabus the same as NCERT?

Yes. The syllabus is strictly based on Class 11 and 12 NCERT textbooks.

How many questions are asked from each subject?

Each subject has 15 multiple choice questions.

Is Biology compulsory for IISER Aptitude Test 2026?

No. Subject requirements depend on the programme and eligibility criteria.

What is the difficulty level of the IISER Aptitude Test?

The exam is moderately difficult and concept-driven.

Can Maths students skip Biology?

Yes, Mathematics students can appear without Biology if eligible.