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Focusing on do-or-die chapters is one of the most effective strategies for NEET 2026 preparation. These chapters carry the highest weightage and are asked most frequently in the exam. These important chapters cover a major portion of the NEET syllabus and improve overall performance.
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This article lists the subject-wise do-or-die chapters for NEET 2026, a 6-month focused study plan, and practical tips to cover these important topics. Following this strategy helps aspirants save time, improve their preparation, and maximise scores in the NEET exam.
These are the most important chapters of NEET 2026:
These chapters are frequently seen in previous question papers.
Cover a major portion of the marks.
Make a solid foundation in Biology, Physics, and Chemistry.
Save time, as it is not easy to study all the chapters equally.
Increase the chances of scoring 650+ marks in NEET.
How are the do or die chapters for NEET Identified
Identified by analysing previous NEET exams.
Experts review the number of questions per chapter.
Chapters that repeat year after year with good weightage.
Based on NTA’s official NEET syllabus, highlighting core concepts.
Confirmed through chapter‑wise weightage information and previous papers.
To score high in NEET 2026, it is important to focus on the most important chapters from each subject. These chapters carry the maximum weightage and are frequently asked in the exam. Below, we have listed the subject‑wise Do or Die Chapters for Biology, Physics, and Chemistry.
NEET biology weightage 2026 plays a vital role in the NEET exam. The NEET Biology syllabus 2026 has two subjects: Botany and Zoology. As per the NEET marks distribution, a maximum of 360 marks can be obtained in the biology section of NEET. Candidates with better concepts and clarity can score more in the NEET subjects 2026. Hence, focusing more on the most important chapters for NEET 2026 can increase aspirants' chances of cracking the medical entrance test with ease.
Here are the Biology important chapters for NEET class 11 :
The Living World | Biological Classification |
Plant Kingdom | Animal Kingdom |
Morphology of Flowering Plants | Anatomy of Flowering Plants |
Structural Organisation in Animals | Biomolecules |
Cell: The Unit of Life | Cell Cycle and Cell Division |
Photosynthesis in Higher Plants | Respiration in Plants |
Plant Growth and Development | Breathing and Exchange of Gases |
Body Fluids and Circulation | Excretory Products and Their Elimination |
Locomotion and Movement | Neural Control and Coordination |
Chemical Coordination and Integration |
Here are the important biology chapters for NEET class 12 :
Human Health and Disease | Ecosystem |
Sexual Reproduction in Flowering Plants | Biotechnology and Its Applications |
Human Reproduction | Biotechnology: Principles and Processes |
Reproductive Health | Microbes in Human Welfare |
Principles of Inheritance and Variation | Molecular Basis of Inheritance |
Molecular Basis of Inheritance | Human Health and Disease |
Evolution | Principles of Inheritance and Variation |
The table below indicates the chapter-wise weightage of Botany in NEET:
| Botany Important Chapters for NEET | 2021 | 2022 | 2023 | 2024 | 2025 | Total |
| Sexual Reproduction in Flowering Plants | 8 | 6 | 3 | 2 | 3 | 22 |
| Plant Kingdom | 0 | 3 | 3 | 1 | 6 | 13 |
| Photosynthesis in Higher Plants | 2 | 2 | 3 | 3 | 2 | 12 |
| Respiration in Plants | 1 | 1 | 2 | 2 | 0 | 6 |
| Anatomy of Flowering Plants | 3 | 3 | 3 | 4 | 2 | 15 |
| Principles of Inheritance & Variation | 2 | 4 | 5 | 6 | 5 | 22 |
| Cell: The Unit of Life | 3 | 3 | 2 | 4 | 3 | 15 |
| Plant Growth and Development | 1 | 2 | 2 | 2 | 1 | 8 |
| Morphology of Flowering Plants | 4 | 1 | 3 | 5 | 3 | 15 |
| Biological Classification | 2 | 2 | 0 | 2 | 1 | 7 |
| Respiration in Plants | 1 | 1 | 2 | 2 | 0 | 6 |
| Cell Cycle and Cell Division | 5 | 6 | 6 | 5 | 0 | 22 |
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The table below indicates the chapter-wise weightage of Zoology in NEET:
Zoology important chapters for NEET | 2021 | 2022 | 2023 | 2024 | 2025 | Total |
| Molecular Basis of Inheritance | 11 | 9 | 7 | 6 | 7 | 40 |
| Human Reproduction | 3 | 4 | 3 | 4 | 7 | 21 |
| Biomolecules | 3 | 3 | 3 | 5 | 6 | 20 |
| Human Health and Disease | 4 | 4 | 4 | 4 | 7 | 23 |
| Animal Kingdom | 5 | 4 | 4 | 6 | 6 | 25 |
| Ecosystem | 3 | 4 | 2 | 1 | 5 | 15 |
| Organisms & Populations | 4 | 3 | 4 | 2 | 2 | 15 |
| Biotechnology: Principles & Processes | 8 | 6 | 5 | 7 | 4 | 30 |
| Microbes in Human Welfare | 3 | 3 | 3 | 4 | 2 | 15 |
| Body Fluids & Circulation | 0 | 2 | 1 | 2 | 0 | 5 |
| Chemical Coordination and Integration | 1 | 0 | 2 | 4 | 6 | 13 |
| Excretory Products and Elimination | 0 | 0 | 2 | 2 | 1 | 5 |
| Biotechnology & Its Applications | 3 | 4 | 2 | 2 | 3 | 14 |
| Evolution | 3 | 2 | 2 | 4 | 1 | 12 |
| Reproductive Health | 3 | 4 | 2 | 2 | 3 | 14 |
| Breathing and Exchange of Gases | 3 | 3 | 1 | 2 | 0 | 9 |
| Locomotion and Movement | 1 | 3 | 2 | 2 | 0 | 8 |
| Neural Control and Coordination | 0 | 0 | 2 | 1 | 0 | 3 |
| Structural Organisation in Animals | 5 | 4 | 5 | 2 | 3 | 19 |
| Biodiversity and Conservation | 0 | 0 | 2 | 5 | 2 | 9 |
Given below are the most important biology NEET topics that should be prepared well for the exam:
Plant Kingdom
Questions from different types of algae and their pigments
General characteristics of pteridophytes and gymnosperms
Biological classification
General features of Monera, Protista, Fungi
Structural organization in plants and animals
Root, stem, and leaf anatomy
Animals tissues and their functions, specifically epithelial tissues
Cell: Structure & Functions
Mycoplasma, nucleus, chromosomes, ribosomes, chloroplasts, and mitochondria
Meiosis - Prophase I
Plant physiology
C3, C4 cycle
Kranz anatomy
Glycolysis and Krebs cycle
ETS complexes
Photoperiodism
Transpiration pull
Bulk movement in Phloem
Mineral deficiency & Nitrogen cycle
Animal/Human Physiology
All topics, specifically diagrams, are very important
Reproduction
Gametogenesis in plants
Gametogenesis in humans
Reproductive structures in plants and animals
Polyembryony, Parthenocarpy, apomixis
Menstrual cycle
Genetics & evolution
Dihybrid cross
linkage
Codominance
Pedigree analysis
Genetic disorders
Darwinism and natural selection
Human evolution
Biotechnology
Process and applications
BT cotton, RNAi, Human insulin, Gene therapy, molecular diagnostics
Biology in human welfare
Human immunity
AIDS, Cancer
Drugs
Ecology and environment
Environmental issues
Biogeochemical cycles
Population interactions
Adaptations
Succession
Key chapters for NEET Physics 2026 are highly significant in the NEET exam, as they have a strong impact on the overall marks. The NEET Physics syllabus 2026 covers many topics, and a maximum of 180 marks can be secured in this part. Those candidates who understand major concepts and give emphasis to high-weightage chapters can increase their chances of securing a high mark. Hence, focusing on important chapters like Mechanics (Laws of Motion, Rotational Motion, and Kinematics), Electrostatics, Optics, Current Electricity, and Modern Physics will assist candidates in preparing well and improving their chances of success in the NEET exam.
To excel in NEET 2026, it's important to focus on NEET Physics high weightage topics like Mechanics and Optics, which are frequently tested in the exam. Important physics chapters for NEET 2026 consist of a wide variety of theoretical concepts and lots of numerical problems associated with each concept. So while preparing for NEET Physics 2026, candidates require more effort to understand the concept and, based on that solve the numerical problems. Understanding NEET Physics high-weightage topics such as Electrodynamics and Modern Physics is essential for achieving a top score in the exam. Candidates can go through the most important Physics chapters for NEET, which they need to focus on first to avoid any kind of inconvenience.
| Chapter Name | 2021 | 2022 | 2023 | 2024 | 2025 | Weightage % |
| Current Electricity | 4 | 4 | 4 | 4 | 3 | 7.95% |
| Moving Charges and Magnetism | 3 | 3 | 3 | 2 | 2 | 5.44% |
| Electromagnetic Waves | 2 | 2 | 1 | 2 | 2 | 3.77% |
| Waves | 1 | 0 | 0 | 0 | 1 | 0.84% |
| Ray Optics and Optical Instruments | 4 | 4 | 3 | 2 | 1 | 5.86% |
| Magnetism and Matter | 0 | 0 | 0 | 3 | 2 | 2.09% |
| Thermodynamics | 1 | 1 | 1 | 3 | 2 | 3.35% |
| Kinetic Theory | 1 | 1 | 1 | 0 | 1 | 1.67% |
| Alternating Current | 2 | 3 | 3 | 2 | 2 | 5.02% |
| Gravitation | 3 | 3 | 3 | 2 | 3 | 5.86% |
| Semiconductor Electronics: materials, devices and simple circuits | 3 | 3 | 3 | 3 | 2 | 5.86% |
| Dual Nature of Matter and Radiation | 1 | 2 | 0 | 1 | 2 | 2.51% |
| Electrostatic Potential and Capacitance | 3 | 5 | 1 | 4 | 2 | 6.28% |
| Oscillations | 2 | 3 | 2 | 4 | 2 | 5.44% |
| Motion in a Straight Line | 1 | 1 | 2 | 2 | 2 | 3.35% |
| Laws of motion | 2 | 2 | 2 | 0 | 2 | 3.35% |
| Atoms | 0 | 0 | 2 | 2 | 1 | 2.09% |
| System of Particles and Rotational Motion | 2 | 0 | 2 | 2 | 1 | 2.93% |
| Mechanical Properties of Fluids | 1 | 1 | 2 | 0 | 2 | 2.51% |
| Wave Optics | 0 | 0 | 1 | 2 | 3 | 2.51% |
| Thermal Properties of Matter | 0 | 0 | 1 | 0 | 1 | 0.84% |
| Work, energy and power | 1 | 1 | 2 | 2 | 3 | 3.77% |
| Electromagnetic Induction | 2 | 1 | 2 | 1 | 1 | 2.93% |
| Units and Measurements | 3 | 3 | 2 | 3 | 1 | 5.02% |
| Nuclei | 3 | 3 | 1 | 1 | 0 | 3.35% |
| Motion in a Plane | 1 | 1 | 2 | 0 | 0 | 1.67% |
| Electric Charges and Fields | 4 | 3 | 3 | 1 | 1 | 5.02% |
| Mechanical Properties of Solids | 0 | 0 | 1 | 2 | 0 | 1.26% |
The following chapters in Physics NEET are the highest-scoring chapters in Physics for NEET from which the most of NEET questions will be asked. While preparing for the NEET NTA exam, aspirants need to make sure to cover the below-mentioned chapters of Physics.
Motion of System of Particles and Rigid Body
Properties of bulk matter
Oscillations and Waves
Electrostatics
Current Electricity
Electromagnetic Induction and Alternating Currents
Optics
Electronic devices
Important chemistry chapters for NEET 2026 can boost the candidate's performance in the NEET exam. Candidates should have a systematic approach to studying chemistry for NEET 2026. NEET Chemistry deals with more reactions and mechanisms. The syllabus of Chemistry for NEET 2026 is divided into three sections which are Physical, Organic, and Inorganic Chemistry. The NEET question pattern of chemistry for the NEET 2026 exam comprises 45 questions (180 marks). Going through the Chemistry most important chapters of NEET helps to get a good result in the medical entrance test.
Below is the table showing the Chemistry chapter-wise weightage for NEET UG 2026 based on the past 5 years analysis:
The data is from past five years and chapters States of Matter, Hydrogen, The s-Block Element, Solid State, Surface Chemistry, Polymers, Environmental Chemistry, General Principles and Processes of Isolation of Elements are not in the NEET syllabus now
| Chapter | 2021 | 2022 | 2023 | 2024 | 2025 | Total weightage (%) |
| Basic Concepts of Chemistry | 1 | 1 | 1 | 1 | 3 | 3.91 |
| Structure of Atom | 3 | 3 | 2 | 3 | 2 | 5.12 |
| Classification of Elements & Periodicity | 0 | 0 | 4 | 3 | 4 | 5.57 |
| Chemical Bonding and Molecular Structure | 4 | 3 | 3 | 3 | 2 | 6.12 |
| States of Matter | 3 | 3 | 2 | 0 | 0 | 3.34 |
| Thermodynamics | 3 | 2 | 1 | 4 | 3 | 5.15 |
| Equilibrium | 1 | 1 | 1 | 3 | 1 | 2.97 |
| Redox Reactions | 1 | 1 | 1 | 1 | 1 | 2.82 |
| Hydrogen | 0 | 1 | 1 | 0 | 0 | 0.84 |
| The s-Block Element | 2 | 1 | 1 | 0 | 0 | 1.25 |
| Some p-Block Elements | 3 | 4 | 2 | 2 | 0 | 3.58 |
| d and f Block Elements | 2 | 3 | 2 | 1 | 1 | 3.43 |
| Coordination Compounds | 2 | 1 | 2 | 6 | 5 | 6.94 |
| Solid State | 2 | 2 | 2 | 0 | 0 | 2.34 |
| Solutions | 3 | 3 | 0 | 5 | 3 | 6.33 |
| Electrochemistry | 1 | 2 | 2 | 1 | 0 | 2.32 |
| Chemical Kinetics | 1 | 2 | 1 | 2 | 3 | 4.73 |
| Surface Chemistry | 0 | 0 | 2 | 0 | 0 | 0.87 |
| Organic Chemistry – Some Basic Principles and Techniques | 0 | 2 | 3 | 4 | 4 | 5.44 |
| Hydrocarbons | 3 | 3 | 1 | 5 | 4 | 6.63 |
| Haloalkanes and Haloarenes | 3 | 2 | 1 | 2 | 2 | 4.28 |
| Alcohols, Phenols and Ethers | 2 | 2 | 4 | 2 | 1 | 4.28 |
| Aldehydes, Ketones and Carboxylic Acids | 5 | 2 | 3 | 0 | 1 | 4.7 |
| Amines | 2 | 2 | 4 | 0 | 3 | 3.66 |
| Biomolecules | 1 | 0 | 1 | 2 | 2 | 2.6 |
| Polymers | 1 | 1 | 1 | 0 | 0 | 1.25 |
| Environmental Chemistry | 0 | 1 | 1 | 0 | 0 | 0.87 |
| General Principles and Processes of Isolation of Elements | 1 | 2 | 1 | 0 | 0 | 1.28 |
Aspirants can go through the below-mentioned major topics, which will be asked in Chemistry for NEET 2026, along with the names of the chapters. Thermodynamics and Equilibrium are among the key chapters in NEET Chemistry, requiring a thorough understanding and practice to excel in the exam. While preparing for the NEET 2026 exam, the below-mentioned chapters along with the topic of Chemistry, need to be given priority. Prioritising these do-or-die chapters of NEET will boost the level of preparation for Chemistry.
Some basic principles of Organic chemistry
Mole Concept And Molar Masses
Stoichiometry,
Stoichiometric Calculations
Atomic structure
Bohr model for the hydrogen atom
Quantum mechanical model of the atom
Chemical bonding and molecular structure
Valence Bond theory
Hybridization
The valence shell electron pair repulsion theory
Solutions
Ideal and non-ideal solutions
Colligative properties
Equilibrium
Ionization of acids and bases
Solubility Equilibria of sparingly soluble salts
Coordination compounds
Bonding in coordination compounds
Stability of coordination compounds
In Organic Chemistry
Some basic principles and techniques
Isomerism and fundamental concepts in the organic reaction mechanism
Alcohols, Phenols, and Ethers
Properties of alcohols and properties of phenols
A well‑structured plan helps you cover the Do or Die Chapters effectively without stress. The table below shows a phase‑wise 6‑month strategy with a focus on study, revision, and practice.
Phase | Duration | Task |
Phase 1 | Months 1–2 |
|
Phase 2 | Months 3–4 |
|
Phase 3 | Month 5 |
|
Phase 4 | Month 6 |
|
For NEET 2026, successful preparation is creating a study plan, attending to high-weightage chapters, and practising mock tests. The guidance of an expert will enable the candidate to know the do-or-die chapters and prepare for important topics. Familiarity with NEET chapter-wise weightage is useful for smart study planning. Smart strategy entails time management, important chapters, and composure at the time of the exam.
Revise the concept regularly
Practice mock tests or previous year's sample papers as much as you can
Study according to a proper NEET study plan.
Stay healthy and sleep properly
Developing a well-planned NEET exam strategy 2026 includes setting realistic goals, practising mock tests, and staying motivated throughout the preparation period.
Frequently Asked Questions (FAQs)
The chapters which are very important and carry a good weightage in NEET exam are do or die chapters for cracking the single largest medical exam.
Going through the important chapters of NEET, candidates can score better marks in the medical entrance test.
Firstly candidates should know the NEET syllabus, as without knowing the syllabus, aspirants will not get a proper direction in the subject to start their preparation.
Candidates should study the do-or-die chapters of NEET 2026 exam from the NCERT books, as every question in the medical entrance exam would be asked from the concept of NCERT.
On Question asked by student community
Hello,
Yes, you can clear NEET examination in 5 months if you follow this strategy:
For more guidance access below mentioned link:
https://medicine.careers360.com/articles/how-prepare-for-neet-in-5-months
Hope it helps.
Hello aspirant,
The sample paper PDF can help NEET 2026 candidates better prepare. These NEET 2026 sample papers, which cover questions from physics, chemistry, and biology, adhere to the most recent exam format. Students can learn about question kinds, chapter-wise weighting, and difficulty level by solving the question paper, which also provides them with exam-like practice.
To get the sample papers, you can visit our site through following link:
https://medicine.careers360.com/articles/neet-sample-paper
Thank you
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Hello,
Neet exam ke liye sabse important or crucial book NCERT hai.
Kisi bhi or book ko krne ke pehle make sure ki aap ncert achhe se krlo.
Uske baad physics me grip achhi krne ke liye hc verma kr skte hain mechanics le portion ke liye
Inorganic, organic chemistry or biology le liye strictly NCERT follow karein
Physical chemistry ke liye kisi module ki help lein
Hello,
The NEET application form usually opens in February and the last date is usually in March . The exam is generally held in May . The form is filled online on the official NTA NEET website.
For the SC category , you need at least 40% marks in Physics, Chemistry, and Biology in Class 12 to be eligible. The minimum age required is 17 years , and there is no upper age limit .
You can fill the NEET form only through the official NTA website when the registration starts.
Hope it helps !
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