IAT 2024 Paper Analysis – Subject-wise Question Distribution & Weightage
This page provides a detailed analysis of the IAT 2024 question paper, focusing on subject-wise question distribution, important topics asked, and overall difficulty level. The analysis is intended to help aspirants understand the nature of questions in IAT 2024 and align their preparation with actual exam trends.
Overall Difficulty Level of IAT 2024
Based on the structure and conceptual depth of the paper, the IAT 2024 exam can be classified as Moderate, with a balanced mix of conceptual and application-based questions.
Difficulty perception may vary by subject and individual preparation level.
Subject-wise Question Distribution in IAT 2024
| Subject | No. of Questions | Approx. Weightage | Overall Difficulty |
|---|---|---|---|
| Biology | 15 | ~25% | Moderate |
| Chemistry | 15 | ~25% | Moderate |
| Mathematics | 15 | ~25% | Moderate to Tough |
| Physics | 15 | ~25% | Moderate |
The IISER Aptitude Test follows an equal subject weightage pattern across all four subjects.
Biology – IAT 2024 Chapter-wise Analysis
The Biology section in IAT 2024 consisted of 15 questions, with emphasis on Genetics, Biotechnology, Human Physiology, and Reproduction. Most questions were concept-based and closely aligned with the NCERT syllabus.
| Chapter | Number of Questions |
|---|---|
| Biotechnology: Principles and Processes | 2 |
| Human Health and Disease | 2 |
| Sexual Reproduction in Flowering Plants | 2 |
| Principles of Inheritance and Variation | 1 |
| Molecular Basis of Inheritance | 1 |
| Photosynthesis in Higher Plants | 1 |
| Animal Kingdom | 1 |
| Organisms and Populations | 1 |
| Respiration in Plants | 1 |
| Locomotion and Movement | 1 |
| Anatomy of Flowering Plants | 1 |
| Breathing and Exchange of Gases | 1 |
| Total | 15 |
Chapters such as Biomolecules, Cell Cycle and Cell Division, Evolution, Structural Organisation in Animals, Body Fluids and Circulation, Excretory Products and their Elimination, Cell: The Unit of Life, Ecosystem, Morphology of Flowering Plants, Human Reproduction, Biodiversity and Conservation, Biological Classification, Plant Kingdom, Plant Growth and Development, Neural Control and Coordination, Microbes in Human Welfare, Biotechnology and its Applications, The Living World, and Reproductive Health did not contribute questions in IAT 2024.
Chemistry – IAT 2024 Chapter-wise Analysis
The Chemistry section in IAT 2024 consisted of a total of 15 questions, with contributions from Physical, Organic, and Inorganic Chemistry. The distribution shows a balanced emphasis on core NCERT chapters.
| Chapter | Number of Questions |
|---|---|
| The Coordination Compounds | 2 |
| Chemical Bonding and Molecular Structure | 2 |
| Aldehydes, Ketones and Carboxylic Acids | 2 |
| Electrochemistry | 1 |
| Structure of Atom | 1 |
| Thermodynamics | 1 |
| Chemical Kinetics | 1 |
| Amines | 1 |
| Organic Chemistry – Some Basic Principles and Techniques | 1 |
| Hydrocarbons | 1 |
| Biomolecules | 1 |
| Classification of Elements and Periodicity in Properties | 1 |
| Solutions | 1 |
| Total | 15 |
Chapters such as Haloalkanes and Haloarenes, Alcohols Phenols and Ethers, Equilibrium, Redox Reactions, d- and f-Block Elements, and Some Basic Concepts of Chemistry did not contribute questions in IAT 2024.
Focus on Core Concepts asked in IAT – Tip
To avoid missing important conceptual questions in the IAT, practice as many mock tests as possible along with PYQs.
Mathematics – IAT 2024 Chapter-wise Analysis
The Mathematics section in IAT 2024 consisted of 15 questions. The paper showed a clear emphasis on Calculus and Coordinate Geometry, with supporting questions from Algebra and Probability.
| Chapter | Number of Questions |
|---|---|
| Conic Sections | 2 |
| Integrals | 2 |
| Application of Derivatives | 1 |
| Application of Integrals | 1 |
| Differential Equations | 1 |
| Continuity and Differentiability | 1 |
| Permutations and Combinations | 1 |
| Determinants | 1 |
| Statistics | 1 |
| Three Dimensional Geometry | 1 |
| Probability | 1 |
| Linear Programming | 1 |
| Total | 15 |
Chapters such as Relations and Functions, Matrices, Sequences and Series, Vector Algebra, Sets, Trigonometric Functions, Binomial Theorem, Straight Lines, Inverse Trigonometric Functions, Linear Inequalities, Limits and Derivatives, and other deleted or zero-weightage topics did not contribute questions in IAT 2024.
Physics – IAT 2024 Chapter-wise Analysis
The Physics section in IAT 2024 consisted of 15 questions, with a noticeable emphasis on Oscillations and core topics from Mechanics, Electricity & Magnetism, Thermodynamics, and Modern Physics. Most questions tested conceptual understanding rather than direct formula application.
| Chapter | Number of Questions |
|---|---|
| Oscillations | 3 |
| Electric Charges and Fields | 1 |
| Electrostatic Potential and Capacitance | 1 |
| Current Electricity | 1 |
| Moving Charges and Magnetism | 1 |
| Alternating Current | 1 |
| Systems of Particles and Rotational Motion | 1 |
| Work, Energy and Power | 1 |
| Motion in a Straight Line | 1 |
| Ray Optics and Optical Instruments | 1 |
| Dual Nature of Radiation and Matter | 1 |
| Nuclei | 1 |
| Thermodynamics | 1 |
| Kinetic Theory | 1 |
| Total | 15 |
Chapters such as Units and Measurement, Motion in a Plane, Laws of Motion, Gravitation, Mechanical Properties of Solids and Fluids, Thermal Properties of Matter, Electromagnetic Induction, Electromagnetic Waves, Atoms, Wave Optics, Waves, Magnetism and Matter, Semiconductor Electronics, and other deleted or zero-weightage topics did not contribute questions in IAT 2024.
Key Takeaways from IAT 2024 Paper
- Equal importance to all four subjects
- Strong NCERT fundamentals are essential
- Conceptual clarity matters more than speed alone
- Previous year question practice remains critical
IAT Paper Analysis Timeline (2022–2025)
Click on any year below to view the complete subject-wise analysis and insights.
Baseline year with strong emphasis on calculation-heavy questions, especially in Physics and Mathematics.
View full analysis → 2023Transition year showing more balanced chapter distribution and early signs of application-based questioning.
View full analysis → 2024Balanced paper with equal subject weightage and consistent alignment with NCERT concepts.
2025Application-oriented paper with increased emphasis on conceptual depth and real problem-solving.
View full analysis →FAQs on IAT 2024 Paper Analysis
How was the difficulty level of IAT 2024?
The overall difficulty level of IAT 2024 was moderate, with some variation across subjects.
Was the IAT 2024 paper NCERT based?
Yes, the questions were largely aligned with the NCERT Class 11 and 12 syllabus.
What was the toughest subject in IAT 2024?
Based on the chapter-wise distribution and the nature of questions asked, Mathematics was considered relatively tougher in IAT 2024. This was mainly due to multi-step problem-solving questions from Calculus and Coordinate Geometry, which were time-consuming for many candidates.
What was the easiest subject in IAT 2024?
Biology was generally considered the easier subject in IAT 2024, as most questions were directly based on NCERT concepts with minimal numerical or multi-step reasoning.
What were the easy scoring topics asked in IAT 2024?
Easy scoring topics in IAT 2024 included Biotechnology and Human Health and Disease in Biology, Coordination Compounds in Chemistry, and Oscillations in Physics, where questions were largely conceptual and NCERT-aligned.
What were the most weightage topics in IAT 2024?
High-weightage topics in IAT 2024 included Oscillations in Physics (3 questions), Conic Sections and Integrals in Mathematics, Biotechnology and Reproduction in Biology, and Coordination Compounds and Aldehydes, Ketones and Carboxylic Acids in Chemistry.
