IIT JAM topic-wise weightage is not prescribed by IIT Bombay. According to the previous years’ papers analysis, high-weightage topics carry around 5-6 questions in each paper. Each paper is dominated by its core subjects, like Biology in Biotechnology, Calculus and real analysis in Maths, etc.
- In IIT JAM Chemistry, Physical Chemistry carries around 39%, Organic Chemistry carries 31%, and Inorganic Chemistry carries 30% weightage.
- High weightage topics for IIT JAM Physics include “Electricity and Magnetism”, and “Solid State Physics, Devices, and Electronics”, with each carrying 10 questions.
- For IIT JAM Mathematics, high-weightage topics include Series of Real Numbers, Limits and Continuity, Sequence of Real Numbers, and Vector Spaces.
Each paper of IIT JAM carries 60 questions of MCQ, MSQ, and NAT type. Each question will carry 1 or 2 marks. The maximum marks that you can score in IIT JAM 2026 are 100.
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Key Summary
- Physical Chemistry carries the highest weightage, with each of its chapters carrying 1-4 questions.
- In IIT JAM Biotechnology, Biochemistry carries the highest weightage of 5-10 questions.
- Microeconomics in IIT JAM Economics carries the highest weightage of around 27%.
- The highest weightage topic in IIT JAM Geology is Petrology.
- IIT JAM Chemistry Chapter Wise Weightage
- IIT JAM Physics Chapter Wise Weightage
- IIT JAM Mathematics Chapter Wise Weightage
- IIT JAM Biotechnology Chapter Wise Weightage
- IIT JAM Economics Chapter Wise Weightage
- IIT JAM Geology Chapter Wise Weightage
- IIT JAM Mathematical Statistics Chapter Wise Weightage
- IIT JAM Chapter Wise Weightage FAQs
IIT JAM Chemistry Chapter Wise Weightage
IIT JAM Chemistry chapter-wise weightage is discussed in the tables below. Each chapter of IIT JAM Chemistry carries around 2-4 questions on average.
- In Organic Chemistry, topics like Reaction Mechanism, Named Reactions, and Rearrangements carry the highest weightage.
- High weightage topics in Physical Chemistry include Electrochemistry and Atomic and Molecular Structure.
- The Transition Metals chapter carries the highest weightage in IIT JAM Inorganic Chemistry.
IIT JAM Organic Chemistry Chapter Wise Weightage
| IIT JAM Chemistry Topics | IIT JAM Weightage (Questions) |
|---|---|
| Reaction Mechanism | 2-6 |
| Named Reactions and Rearrangements | 2-4 |
| GOC+Aromaticity | 1-2 |
| Stereochemistry | 1-2 |
| Reagents | 1-2 |
| Natural Products | 1-2 |
| Pericyclic | 1-2 |
| Organic Spectroscopy | 1-2 |
| Heterocyclic Chemistry | 0-1 |
IIT JAM Physical Chemistry Chapter Wise Weightage
| IIT JAM Chemistry Topics | IIT JAM Weightage (Questions) |
|---|---|
| Electrochemistry | 2-4 |
| Atomic and Molecular Structure | 2-3 |
| Chemical Thermodynamics | 1-3 |
| Basic Mathematics | 1-3 |
| Spectroscopy | 1-3 |
| Gaseous State | 1-2 |
| Liquid State | 1-2 |
| Solid State | 1-2 |
| Chemical and Phase Equilibria | 1-2 |
| Chemical Kinetics | 1-2 |
| Adsorption | 1-2 |
| Stoichiometry and Mole Concept | 0-2 |
IIT JAM Inorganic Chemistry Chapter Wise Weightage
| IIT JAM Chemistry Topics | IIT JAM Weightage (Questions) |
|---|---|
| Transition Metals | 2-5 |
| Chemical Bonding and Shapes of Compounds | 1-4 |
| Main Group Elements | 1-3 |
| Organometallic Compounds | 1-3 |
| Biorganic Chemistry | 1-2 |
| Instrumental Methods of Analysis | 1-2 |
| Analytical Chemistry | 1-2 |
| Periodic Table | 0-2 |
Source:
Check: Detailed IIT JAM Chemistry Syllabus Here
Ques. Which is the most important topic for IIT JAM Chemistry?
Ans. For IIT JAM Chemistry, Physical Chemistry carries the highest weightage. However, the most important topics for Organic, Inorganic, and Physical Chemistry are listed below.
- Organic Chemistry: Reaction Mechanism (2-6 questions), Named Reactions and Rearrangements (2-4 questions)
- Inorganic Chemistry: Transition Metals (2-5 questions), Chemical Bonding and Shapes of Compounds (1-4 questions)
- Physical Chemistry: Electrochemistry (2-4 questions), Atomic and Molecular Structure (2-3 questions)
IIT JAM Physics Chapter Wise Weightage
The table below discusses the IIT JAM Physics chapter-wise weightage. Chapter weightage in IIT JAM Physics ranges from 7 to 10 questions. Kinetic Theory and Thermodynamics carries 7 questions, the lowest among IIT JAM Physics chapters.
| IIT JAM Physics Topics | IIT JAM Weightage (Questions) |
|---|---|
| Electricity and Magnetism | 10 |
| Solid State Physics, Devices, and Electronics | 10 |
| Classical Mechanics | 9 |
| Mathematical Physics | 9 |
| Modern Physics | 8 |
| Oscillations, Waves, and Optics | 8 |
| Kinetic Theory and Thermodynamics | 7 |
Check: Detailed IIT JAM Physics Syllabus Here
A user on Quora asked, “What are the most important topics for IIT-JAM physics?”
Some experts answered the query and listed the most important topics in IIT JAM Physics. “Ankita Tiwari” has listed some important topics for IIT JAM Physics, which are discussed in the table below.
| IIT JAM Physics Important Topics | Weightage |
|---|---|
| Electricity and Magnetism | 20-25% |
| Kinetic Theory, Magnetism | 14-20% |
| Mathematical Methods | 14-20% |
| Mechanics and General Properties of Matter | 14% |
| Modern Physics | 13% |
| Solid State Physics, Devices, and Electronics | 13-15% |
| Oscillations, Waves, and Optics | 12-15% |
Source:@quora.com
Ques. Which topics should I prepare first in IIT JAM Physics?
Ans. For IIT JAM Physics, you must prepare topics like Electricity and Magnetism, Solid State Physics, Devices and Electronics, Classical Mechanics, and Mathematical Physics. The topics can help you cover around 40 questions in the IIT JAM Physics.
IIT JAM Mathematics Chapter Wise Weightage
IIT JAM Mathematics chapter-wise weightage is discussed in the table below. Most of the high-weightage chapters carry around 3-5 questions on average. Low-weightage chapters in IIT JAM Mathematics carry 0-2 questions.
| IIT JAM Mathematics Topics | IIT JAM Weightage (Questions) |
|---|---|
| Series of Real Numbers | 3-7 |
| Limits and Continuity | 2-7 |
| Sequence of Real Numbers | 3-5 |
| Vector Spaces | 3-5 |
| First Order First Degree DE | 3-5 |
| Differentiability | 3-4 |
| Function of Several Variables | 3-4 |
| Higher order Linear DE | 2-5 |
| Linear Transformation | 2-5 |
| Area Under Curve | 1-5 |
| Eigenvalues and Eigenvectors | 2 |
| Groups of Finite Order | 2 |
| Groups of Symmetries | 2-3 |
| Group Homomorphism | 1-3 |
| Definite Integral and its Properties | 1-3 |
| System of Equations | 1-2 |
| Surface Area and Surface Integral | 0-2 |
| Normal Subgroup and Quotient Group | 0-1 |
| Orthogonal Trajectories | 0-1 |
Source:
Check: Detailed IIT JAM Mathematics Syllabus Here
Ques. Which topic carries the highest weightage in IIT JAM Mathematics?
Ans. In IIT JAM Mathematics, the Series of Real Numbers carries the highest weightage. You can expect 3-7 questions from this topic. Other topics with high weightage in IIT JAM Mathematics include Limits and Continuity, Sequence of Real Numbers, Vector Spaces, etc.
IIT JAM Biotechnology Chapter Wise Weightage
IIT JAM Biotechnology includes subjects like Biology, Physics, and Mathematics. Biology carries the highest weightage. Chapters from Physics and Chemistry carry around 1-3 questions on average.
IIT JAM Biotechnology Chapter Wise Weightage: Biology
| Topics | IIT JAM Weightage (Questions) |
|---|---|
| Biochemistry | 5-10 |
| Reco. DNA and Technology | 3-5 |
| Microbiology | 2-8 |
| Cell Biology | 2-5 |
| Genetics | 2-5 |
| Ecology | 2-3 |
| Animal Physiology | 1-4 |
| Taxonomy | 1-2 |
| Evolution | 1-4 |
IIT JAM Biotechnology Chapter Wise Weightage: Physics
| Topics | IIT JAM Weightage (Questions) |
|---|---|
| Kinematics | 1-2 |
| Electrostatic & Electricity | 1-2 |
| Ray & wave Optics | 1-2 |
| Thermodynamics & KTG | 0-2 |
| Unit & measurements | 0-2 |
| Work Power & Energy | 0-1 |
| Gravitation | 0-1 |
| Solid State & Prop. of Solids Fluids | 0-1 |
| Waves & Oscillation | 0-1 |
| Magnetostatic & EMI | 0-1 |
| Em waves | 0-1 |
| Dual Nature of Rad. & Matter | 0-1 |
| Laws of Motion | 0 |
| Rotational dynamics | 0 |
| Electro. & Prin. of communication | 0 |
IIT JAM Biotechnology Chapter Wise Weightage: Mathematics
| Topics | IIT JAM Weightage (Questions) |
|---|---|
| Geometry | 1-3 |
| Sets Relations and Functions | 0-3 |
| Integration | 0-2 |
| Limits | 0-1 |
| Differential Equations | 0-1 |
| Complex Analysis | 0-1 |
| Probabiloty | 0-1 |
| Binomial Theorm | 0-1 |
| Trigonometry | 0-1 |
| Algebra | 0-1 |
| Permutation and Combination | 0-1 |
| Vector Algebra | 0-1 |
| Theory of Equations | 0-1 |
| General Aptitude | 0-1 |
| Statistics | 0-1 |
| Continuity | 0 |
| Differentation | 0 |
| Sequence and Series | 0 |
| LPP | 0 |
| Advanced Calculus | 0 |
Check:Detailed IIT JAM Biotechnology Syllabus Here
Ques. What is the weightage of Biology in IIT JAM Biotechnology?
Ans. Biology covers the major portion of IIT JAM Biotechnology question paper. You can expect around 30-40 questions from Biology.
Ques. What is the topic wise weightage of Physics and Maths in IIT JAM Biotechnology?
Ans. In IIT JAM Biotechnology, Physics, and Mathematics cover a small portion of the question paper. Each topic of Physics and Chemistry in the IIT JAM Biotechnology paper carries around 0-3 questions on average.
IIT JAM Economics Chapter Wise Weightage
IIT JAM Economics paper is distributed between topics with different weightage. These include Microeconomics (27%), Microeconomics (23%), Mathematics (21%), Statistics (17%), and Indian Economy (12%).
| IIT JAM Economics Topics | IIT JAM Weightage |
|---|---|
| Microeconomics | 27% |
| Macroeconomics | 23% |
| Mathematics | 21% |
| Statistics | 17% |
| Indian Economy | 12% |
IIT JAM Economics Chapter Wise Weightage: Microeconomics
| IIT JAM Economics Topics | IIT JAM Weightage |
|---|---|
| Producer Theory | 7 |
| Consumer Theory | 6 |
| General Equilibrium | 4 |
| Market Structure | 4 |
| Game Theory | 3 |
| Externalities | 2 |
IIT JAM Economics Chapter Wise Weightage: Macroeconomics
| IIT JAM Economics Topics | IIT JAM Weightage |
|---|---|
| Business Cycles and Economic Models | 8 |
| National Income | 5 |
| Growth Models | 4 |
| Behavioral and Technological Functions | 3 |
| Inflation and Unemployment | 3 |
IIT JAM Economics Chapter Wise Weightage: Mathematics
| IIT JAM Economics Topics | IIT JAM Weightage |
|---|---|
| Differential Calculus | 5 |
| Linear Algebra | 5 |
| Preliminaries and Functions | 4 |
| Optimization | 4 |
| Integral Calculus | 2 |
| Differential Equations, and Difference Equations | 2 |
IIT JAM Economics Chapter Wise Weightage: Statistics
| IIT JAM Economics Topics | IIT JAM Weightage |
|---|---|
| Probability Theory | 6 |
| Mathematical Statistics | 4 |
| Hypotheses Testing | 4 |
| Correlation and Regression | 4 |
IIT JAM Economics Chapter Wise Weightage: Indian Economy
| IIT JAM Economics Topics | IIT JAM Weightage |
|---|---|
| Banking | 3 |
| Poverty | 2 |
| India After 1991 | 2 |
| India Before 1950 | 1 |
| Planning | 1 |
| Inequalities | 1 |
| Labour Market | 1 |
Check:Detailed IIT JAM Economics Syllabus Here
Ques. Which section carries the highest weightage in IIT JAM Economics?
Ans. Macroeconomics carries the highest weightage in IIT JAM Economics question paper. Each topic of Macroeconomics carries around 3-6 questions. Topic with highest weightage in Macroeconomics is Producer Theory, which carries around 7 questions in IIT JAM economics paper.
Ques. What is the weightage of Indian Economy in IIT JAM Economics?
Ans. Indian Economy carries the lowest weightage in IIT JAM Economics. The section carries around 12% of the total number of questions. You can expect around 10 questions from Indian Economy topic.
IIT JAM Geology Chapter Wise Weightage
The table below discusses the BITSAT chapter-wise weightage of Geology in IIT JAM. Petrology carries the highest weightage (25 questions), and Paleontology (9 questions).
- Mineralogy carries a weightage of 20 questions in IIT JAM Geology.
- 18 questions are likely to be asked from Structural Geology.
- You can expect around 19 questions from the Planet Earth chapter.
| IIT JAM Geology Chapters | Weightage |
|---|---|
| Petrology | 25 |
| Mineralogy | 20 |
| Structural Geology | 18 |
| The Planet Earth | 19 |
| Paleontology | 9 |
Check:Detailed IIT JAM Geology Syllabus Here
Ques. Which topic in IIT JAM Geology carries the lowest weightage?
Ans. In IIT JAM Geology paper, Paleontology carries the lowest weightage. The topic carries around 9 questions in IIT JAM Geology question paper.
IIT JAM Mathematical Statistics Chapter Wise Weightage
Most of the chapters carry around 5-6 questions in IIT JAM Mathematical Statistics question paper.
- Chapters like Univariate Distribution, Matrices and Determinants, and Estimation carry around 6 questions.
- Sequence and series, Differential Calculus, etc. carry around 5 questions in IIT JAM Mathematical Statistics question paper.
| IIT JAM Mathematical Statistics Topics | IIT JAM Weightage (Questions) |
|---|---|
| Univariate Distribution | 6 |
| Matrices and Determinants | 6 |
| Estimation | 6 |
| Sequence and Series of Real Numbers | 5 |
| Differential Calculus of One and Two Real Variables | 5 |
| Testing of Hypothesis | 5 |
| Standard Univariate Distributions | 5 |
| Multivariate Distributions | 5 |
| Probability | 4 |
| Standard Multivariate Distributions | 4 |
| Integral Calculus | 3 |
| Limit Theorems | 3 |
| Sampling Distributions | 3 |
Also Read
IIT JAM Chapter Wise Weightage FAQs
Ques. How to get IIT JAM chapter-wise weightage from coaching platforms?
Ans. Coaching platforms like IFAS have analyzed the past years’ papers of IIT JAM. Based on the analysis, they have released the IIT JAM chapter-wise weightage for each paper. You can get the IIT JAM chapter-wise weightage from their YouTube channel or their official website.
Ques. What is the importance of IIT JAM chapter wise weightage in preparation?
Ans. Chapter-wise weightage plays an important role in IIT JAM preparation strategy. You can pripritize high-weightage topics while starting the IIT JAM preparation. You can also allocate study time effectively and plan revisions to improve confidence.
Ques. What are the high-weightage topics in IIT JAM Mathematical Statistics?
Ans. High-weightage topics in IIT JAM Mathematical Statistics are listed below. Each of these topics carries around 5-6 questions in the IIT JAM Mathematical Statistics question paper.
- Univariate Distribution
- Matrices and Determinants
- Estimation
- Sequence and Series of Real Numbers
- Differential Calculus of One and Two Real Variables
- Testing of Hypothesis
- Standard Univariate Distributions
- Multivariate Distributions
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