IISER IAT 2025 Syllabus serves as a strategic guide for exam preparation. It comprises all the exam-relevant chapters and topic-wise weightage. The syllabus is divided into several subjects, i.e. mathematics, biology, chemistry, and physics. Questions asked in all these subjects are typically based on the curriculum of Class 11 and Class 12.
Upon understanding the syllabus, aspirants must also review the IISER IAT exam pattern to get an idea of the structure of the exam and marking scheme. The IISER IAT 2025 entrance exam comprises 60 questions with an exam duration of 180 minutes. Read further to get subject-wise IISER IAT 2025 syllabus 2025 PDF, paper pattern, tips & tricks, and best books on this page.
IISER IAT Syllabus 2025
Indian Institutes of Science Education and Research (IISERs) conduct an IISER aptitude test for students seeking admission into the BS-MS dual degree programme offered by participating institutes. The IISER IAT 2025 exam will be conducted on May 25, 2025, at 9:00 AM. It is a highly competitive entrance test with a huge number of participants. The general trends indicate the difficulty level of this computer-based test is usually moderate. Thus, aspirants must build a section-wise strategy to speed up their preparation and revise the entire topics mentioned in the ISER IAT syllabus to maximise their qualifying chances. To improve speed & accuracy, they must also solve IISER IAT previous papers from reliable sources. In this article, we have compiled the IISER entrance exam syllabus 2025 to guide candidates in the right direction.
IISER IAT 2025 Syllabus Highlights
Indian Institutes of Science Education and Research has released the IISER IAT syllabus on its official website. Here are the key highlights of the IISER IAT 2025 syllabus tabulated below for the ease of the candidates:
| Particulars | Details |
| Exam Name | IISER Aptitude Test |
| Conducting Body | Indian Institute of Science Education and Research |
| Frequency | Once a year |
| Exam Level | Undergraduate |
| Exam Mode | Online/Computer-based Test (CBT) |
| Courses Offered through IISER IAT | BS-MS dual degree programme/ BS (IISER Bhopal) degree |
| Total Questions | 60 |
| Total Marks | 240 Marks |
| Exam Duration | 3 Hours |
| Marking Scheme | +4 for each correct answer and -1 for each wrong answer |
Weightage of IISER IAT Syllabus 2025
Candidates must review the IISER IAT syllabus to understand the question type and format on which question paper shall be prepared for the entrance test. As per the IISER IAT exam pattern, the computer-based test carries a total of 60 multiple-choice questions for 240 marks with an exam duration of 180 minutes. As per the marking scheme, each correct response will be awarded 4 marks and there shall be a deduction of 1 mark for every incorrect answer. Here is the detailed IISER IAT exam pattern shared below for the reference of the candidates.
| Subject | Number of Questions | Maximum Marks | Duration |
| Biology | 15 questions | 60 marks | 180 minutes |
| Chemistry | 15 questions | 60 marks | |
| Mathematics | 15 questions | 60 marks | |
| Physics | 15 questions | 60 marks |
IISER IAT 2025 Syllabus PDF
Candidates must check the IISER syllabus PDF to identify chapters carrying higher weightage. Download the IISER IAT syllabus from the direct links given below:
| IISER IAT Syllabus 2025 PDF |
IISER IAT 2025 Syllabus- Subject-Wise
The IISER syllabus comprises various subjects, including mathematics, biology, chemistry, and physics. To master the concepts across all the subjects, aspirants must build a robust strategy during the preparation. It will help them solve complex questions with accuracy in the exam. Let’s discuss the subject-wise IISER IAT 2025 syllabus tabulated below for reference purposes.
| Subject | Important Topics |
| Biology | Diversity In the Living World Structural Organisation In Plants And Animals Human Physiology Reproduction Genetics And Evolution Cell: Structure And Functions Plant Physiology Biotechnology Biology In Human Welfare Ecology |
| Chemistry | Some Basic Concepts of Chemistry Structure of the Atom Classification of Elements and Periodicity in Properties Thermodynamics Equilibrium Redox Reactions Chemical Bonding and Molecular Structure The d- & f-block elements Coordination compounds Hydrocarbons Haloalkanes and haloarenes Aldehydes, ketones, and carboxylic acids Solutions Electrochemistry Chemical Kinetics Organic Chemistry-Some Basic Principles and Techniques Organic compounds containing nitrogen Biomolecules |
| Mathematics | Sets and Logic Basic counting techniques Trigonometric functions Vectors Matrices & determinants Complex numbers, linear and quadratic equations Integration Differential equations Coordinate geometry Three-dimensional geometry Differentiation Sequences & series Limit & continuity Statistics, Probability & Linear Programming |
| Physics | Units and Measurements Motion in a Straight Line Motion in a Plane Mechanical Properties of Solids Mechanical Properties of Fluids Thermal Properties of Matter Laws of Motion Work, Energy and Power System of Particles and Rotational Motion Gravitation Electrostatic Potential and Capacitance Current Electricity Magnetism and Matter Thermodynamics Kinetic Theory Oscillations Waves Electric Charges and Fields Ray Optics and Optical Instruments Wave Optics Dual Nature of Radiation and Matter Alternating Current Electromagnetic Waves Atoms Semiconductor Electronics Nuclei |
IISER IAT Syllabus 2025- Sectional Overview
Aspirants should analyse the difficulty level of every subject prescribed in the IISER IAT syllabus. It will help them get an idea of the competition trends and set their preparation targets accordingly. Check the previous year's IISER IAT exam analysis to understand the difficulty level across all the subjects:
| Subject | Difficulty Level |
| Biology | Easy |
| Mathematics | Moderate |
| Physics | Moderate |
| Chemistry | Easy to Moderate |
How to Cover IISER IAT 2025 Syllabus?
The IISER IAT exam preparation strategy must include the right mindset, study materials, and expert guidance. This can help them score high marks in the entrance exam. The expert-recommended tips and tricks to crack the IISER IAT 2025 exam with flying colours are as follows:
- Review the IISER IAT syllabus thoroughly to cover all the important chapters efficiently.
- A strong command of all the important topics will help you tackle any type of questions in the entrance exam.
- Solve mock tests and IISER IAT previous year's papers to improve calculation speed and accuracy.
- Maintain short notes to retain and recall all the concepts quickly.
Best Books for IISER IAT 2025 Syllabus
The right set of IISER IAT books will help candidates prepare effectively for the exam. Thus, candidates must align their exam strategy based on the latest IISER IAT syllabus 2025 and test requirements. Check below the best IISER IAT exam books to ace the entrance test:
- Concepts of Physics Volume I and Volume II by H.C. Verma
- Organic Chemistry by Morrison and Boyd
- Tata McGraw Hill for Mathematics
- Objective Biology Volume I & II by Trueman’s
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