Important Do or Die Chapters and Topics for JEE Mains 2025 Preparation
Joint Entrance Exam (JEE) Main 2026 ( JEE Main )
JEE Main 2025 exam will be held in two sessions in January and April. To be among the top scorers of the JEE Mains exam is the dream of every engineering aspirant. However, with the huge JEE Main syllabus, many students find it difficult to cover each topic from all three subjects. To help candidates with their preparation, we have compiled a list of "Do or Die chapters for NTA JEE Mains 2025" that can be considered the most important chapters/topics from the exam point of view.
The list of important topics for JEE Main 2025 can be segregated into two parts: low-weightage and high-weightage topics from Physics, Chemistry, and Mathematics. The analysis provided below has been done after recommendations from various experts and based on the previous year JEE Main question papers. JEE Main exam is organized by the National Testing Agency (NTA) every year for admission to NITs, IIITs, CFTIs, and SPAs of India.
Explore colleges based on JEE Main
Want better recommendations?
There is a 90% more chance of getting best college recommendations by sharing preferences.
- Chat with our counselor
- Get your personalised list of colleges & exams matching your preferences
- How to Prepare for JEE Main 2025 Physics, Chemistry, and Mathematics?
- Important Chapters for JEE Main 2025
- FAQs related to JEE Main Do or Die Chapters
How to Prepare for JEE Main 2025 Physics, Chemistry, and Mathematics?
JEE Main 2025 Physics Paper
Below are the few points that the candidates must note while preparing for JEE Main 2025 Physics paper.
- Candidates must study all the topics which are mentioned in the JEE Main syllabus Thoroughly with special attention to "Physical Quantities" and "Vector treatment".
- According to the experts, questions from semiconductor devices, electromagnetic waves, communication systems, etc are usually simple and straightforward. A thorough understanding of NCERT textbooks on such topics is usually sufficient to solve questions in JEE Main.
JEE Main 2025 Chemistry Paper
The Chemistry paper is divided into three sections: Physical, Organic, and Inorganic. Check some important points to be noted while preparing:
- In physical chemistry, candidates must keep a note of all formulas related to atomic structure, ionic equilibrium, solid-state, electrochemistry and thermos chemistry, etc.
- Inorganic chemistry candidates must focus on reactions that they have come across and their mechanisms.
- Experts suggest that in in-organic chemistry candidates must ensure to learn the formulas or ores and composition of alloys which are often asked in objective type questions.
JEE Main 2025 Mathematic Paper
Mathematics experts have suggested the following points to score higher marks in the paper:
- A list of Formulae and important concepts must be kept in handy
- A good number of questions are expected from Co-ordinate Geometry, Algebra, Trigonometry, Calculus, Vector, and 3-D Geometry in the examinations
| JEE Main Mock Test 2025 | JEE Main 2025 Preparation Tips |
Important Chapters for JEE Main 2025
The entire list of important Chapters of Physics, Chemistry, and Mathematics is given below.
Do or Die Chapters for JEE Main 2025 Mathematics
| High Weightage |
Low Weightage |
|---|---|
| 3 Dimensional Geometry |
Differential Equation |
| Vectors |
Differentiation |
| Determinant & Matrices |
Trigonometric Equation |
| Sequence & Series |
Statistics |
| Straight Line |
Mathematical Logic |
| Circle |
Set & Relation |
| Probability Distribution (Binomial Mean & Variance) |
Height & Distance |
| Definite Integral & Area Under the Curve |
Trigonometric Ratio & Functions |
| Limits, Continuity & Differentiability |
Properties of Triangle |
| Functions |
Permutation & Combination |
| Application of Derivatives |
Indefinite Integral |
| Conic Sections |
|
| Complex Number |
|
| Quadratic Equation |
|
| Binomial Theorem & M. I. |
|
Do or Die Chapters of JEE Main 2025 for Chemistry
| High Weightage |
Low Weightage |
|---|---|
| Atomic Structure |
Chemical Equilibrium |
| Gaseous & Liquid State |
Redox & Volumetric Analysis |
| Electrochemistry |
Solutions |
| Chemical Kinetics |
Metallurgy |
| Nuclear & Surface Chemistry |
Qualitative Analysis |
| Chemical Bonding |
Hydrocarbons |
| d-Block Elements |
Mole Concept |
| Co-ordination Compound |
Ionic Equilibrium |
| Alkyl Halides |
Solid State |
| Aromatic Compounds |
s-Block Elements- removed |
| Thermodynamics |
Periodic Classification |
| p-Block Elements |
Classification & Nomenclature |
| General Organic Chemistry |
Alcohol & Ether |
| Isomerism |
Nitrogen Compounds & Aliphatic Amines |
| Aldehydes and Ketones |
Biomolecules & Polymers |
| Carboxylic Acids & Its Derivatives |
|
Do or Die Chapters of JEE Main 2025 for Physics
| High Weightage |
Low Weightage |
|---|---|
| Heat & Thermodynamics |
Heat Transfer |
| Ray Optics |
Fluids |
| Electromagnetic Waves |
Nuclear Physics & X-Rays |
| Semiconductors |
Work, Energy & Power |
| Error & Instrument Analysis |
Units & Measurements |
| Gravitation |
Dual Nature of Matter & Radiation |
| Wave Optics |
Circular Motion |
| Photoelectric Effect |
Center of Mass & Collisions |
| Oscillations |
Communication Systems-removed |
| Electromagnetic Induction & Alternating Current |
Laws of Motion |
| Rotation |
|
| Kinematics |
|
| Electrostatics |
|
| Current Electricity & Capacitors |
|
| Properties of Matter |
|
| Magnetic Effects of Current & Magnetism |
|
| Bohr’s Atomic Model |
|
| Waves & Sound |
|
Read more:
Explore more B.Tech exams with upcoming dates
18 Oct '25
1 Oct '25 - 31 Oct '25
31 Oct '25
30 Nov '25
1 Jul '25 - 15 Oct '25
10 Oct '25 - 18 Oct '25
1 Oct '25 - 31 Oct '25
31 Oct '25
31 Oct '25
30 Nov '25
| JEE Main Chapterwise Weightage | Best Books for JEE Main 2025 Preparation |
FAQs related to JEE Main Do or Die Chapters
Q. Which chapters are most important in JEE Mains?
A. Chapters like Rotational Motion, Thermodynamics, SHM, Electrostatics, Magnetism, Optics, and Modern Physics among others are important in Physics. In Chemistry Chemical bonding, Electrochemistry, Coordination compound, Thermodynamics & thermochemistry, etc are important. In Mathematics, Complex Number, Conic Section, Circle, Calculus, Vector & 3 D, Probability, Trigonometric Equation etc. Read more.
Q. Which chapters can be skipped for JEE Mains?
A. In exams like JEE Main, one should not try to skip a single chapter while preparing. Students must cover the whole syllabus thoroughly as the questions can be asked from any topic
Q. Which is the most scoring subject in JEE mains?
A. Chemistry is considered as the most scoring subject with an average score of around 35 marks; Mathematics on the other hand is the most difficult to score off averaging a little over 25.
Q. Is stoichiometry important for JEE?
A. Yes, it is for sure!! Stoichiometry may even cover a major part of physical chemistry in the mains paper.
Q. Is there any specific book for JEE Main preparation comprising all subjects?
A. Not one book but topic-specific books should be referred by candidates in order to get the best of all.
Q. With 96 percentile in which NIT will I get?
A. Candidates can get admission to NIT Mizoram and NIT Nagaland. Read here to know the detailed analysis and other college options
Q. Is 200 a good score in JEE Mains?
A. Yes, 200 is considered good in JEE Mains if you want to get into top NITs and IIITs. Read more
Q. In JEE Mains 2023, what is the weightage of class 11 and 12 syllabi?
A. It is nearly 49% for class 11 and 51% for the class 12 syllabus.
Q. What is the weightage of modern physics in JEE Mains?
A. The weightage for modern physics in JEE Main is 20-25%.
Q. Can class 11 students give JEE Mains?
A. No, candidates have to pass or appear in the Class 12 examination to sit for JEE Mains exam.
Q. Is Class 12 marks important for JEE Mains?
A. Candidates must note that class 12 marks have no weightage in the preparation of JEE Main ranks & percentile. The ranks will be determined based on their score in the entrance exam. However, for admission into NITs, IIITs, CFTIs the class 12 board exam scores will be taken into account.
News & Updates
Explore Other Exams
Apr '26 | JEE Advanced 2026 registration... |
Apr '26 | JEE Advanced 2026 practice tes... |
Jan '26 | BITSAT 2026 application form -... |
May '26 | BITSAT 2026 application form -... |
Oct '25 | SRMJEEE 2026 Notification |
Feb '26 | COMEDK application form 2026 |
May '26 | COMEDK exam date 2026 |
Jan '26 | WBJEE 2026 application form |
Feb '26 | WBJEE 2026 application form co... |
Nov '25 | VITEEE 2026 application form |
Apr '26 | VITEEE 2026 slot booking |
Dec '25 | MHT CET 2026 Application Form |
Apr '26 | MHT CET 2026 Admit Card |
Student Forum
Anything you would want to ask experts?Answered 9 hours ago
Yes, it is quite achievable to get the ECE specialisation at IIITDM Kancheepuram with a rank of 7000 in JEE Main 2025 for the General AI category. Generally the closing ranks should range between 23099 to 29987. However the cutoff may vary depending on category. One can view the First and Last round
C
Contributor-Level 10
Answered 14 hours ago
Can you please confirm what you mean by “2027 mock test” — do you mean:
- BPSC 2027 Mock Test Series (for your upcoming exam prep)?
- Or a general mock test for 2027 government exams (like UPSC, SSC, Banking, etc.)?
- Or are you referring to a specific subject/year 2027 question paper mock (e.g., “BPSC 20
S
Beginner-Level 3
Answered 6 days ago
With a 300 SC category rank in CAT, your chances for NIT Trichy MBA are relatively high. Based on 2025 data, NIT Trichy generally shortlists SC candidates with CAT percentiles around 60-65. To achieve a 300 rank under SC category, you would need about a 65-70 percentile, or a score of roughly 60-65
A
Contributor-Level 10
Answered a week ago
Marksheet and Adhaar details must be matched. So you have to approach to 10th passing school with relevant documents. The school will submit the application to CBSE regional office for correction.
Scholar-Level 18
Answered 3 weeks ago
Honestly, going for CSE at Chandigarh University with your score sounds like a solid choice. I'm saying this because CU has become a hub for tech placements and internships, and the environment is pretty competitive in a good way. Your 88 percentile in JEE Main could also land you a scholarship, whi
Beginner-Level 5
Answered 3 weeks ago
No. The JEE Mains emphasizes on deep knowledge and quote challenging with negative marking whereas KCET is moderately difficult which emphasizes on direct factual questions with no negative markings.
M
Contributor-Level 7
Answered 3 weeks ago
No, the paper pattern of IMU CET is not similr to the JEE Main exam.
C
Contributor-Level 7
Answered 3 weeks ago
Yes. Students with valid JEE Main scores can apply for admissions through the WBJEE counselling. However, these students will be eligible for allotment only in the 10% approved seats offered by the self-financing colleges and institutes participating in the state-level counselling.
N
Contributor-Level 7
Answered 4 weeks ago
Yes the SRMJEEE paper pattern is similar to JEE Main however, the difficulty level is not equivalent to JEE main and the question paper is adjusted to moderate level difficulty level which will be easy for most students.
C
Contributor-Level 7
Answered 4 weeks ago
While logging in for JEE Advanced candidate portal, if you cannnot recall your JEE Main application number, then try:
- Checking the email from NTA which was sent ot you after successfull JEE Main registration.
- Check the JEE Main acknolwedhement form taht you have downloaded after the JEE Main form was
A
Contributor-Level 6
Engineering Education & Entrance Exam Expert
Role: Senior News Writer & Content Editor, Shiksha.com
Education: B.Tech in Mechanical Engineering [IET], MA Education Philosophy
Satyendra Singh is an Engineering gradua
Read Full Bio