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Do or Die Chapters for the NEET 2027 Exam, Physics, Chemistry & Biology are those highly important chapters which must be studied first by aspirants. These chapters have been identified based on previous year NEET question papers and would help in time management, but do not consider these chapters as an assured source of questions for NEET 2027.
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Weightage of each chapter helps in identifying recurring questions and planning revision, but NTA does not officially prescribe weightage of each chapter for the NEET exam. This is because the following priorities have been decided by analyzing past year questions and recent trends. Hence, use this article for your preparation purposes only.
This article covers important chapters in Physics, Chemistry and Biology, along with important topics and practical tips for preparation. Candidates must use this article for their prioritisation of chapters, while at the same time completing the NEET 2027 syllabus.
Do or Die chapters are defined by their relevance to the examination, and not by the fact that they will definitely come in NEET 2027. The following considerations have been taken into account while choosing the Do or Die chapters.
Those chapters which have appeared consistently in previous NEET exams hold more weightage.
Chapters which have had a significant number of questions asked from them in previous exams, especially 2025 and 2026.
Those chapters that cover many concepts, formulae or reactions/ biological principles increase the probability of getting 650+ marks in NEET.
Chapters that can be revised easily, along with covering many topics.
Get identified based on analysis of past NEET exams.
Analysed in terms of questions asked per chapter.
Chapters which keep repeating every year and are of good weightage.
As per NTA’s official NEET syllabus, which highlights the important concepts.
Confirms with NEET chapter-wise weightage and previous years’ papers.
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It is necessary to pay attention to important chapters of each subject in order to score well in NEET 2027. The following are the important chapters carrying maximum weightage and frequently appearing in the NEET exam.
NEET biology weightage 2027 is very important from the perspective of the NEET exam. NEET biology syllabus 2027 consists of two parts, namely, Botany and Zoology. As per the NEET marks distribution pattern, a total of 360 marks can be scored by candidates in the biology part of NEET. Students having a proper understanding of their concepts can secure higher scores in NEET subjects 2027. This will make it easier for candidates to crack the medical entrance examination.
The following table gives a brief idea about chapter-wise weightage of Botany in NEET:
Botany Important Chapters for NEET | 2022 | 2023 | 2024 | 2025 | 2026 |
6 | 3 | 2 | 3 | 3 | |
3 | 3 | 1 | 6 | 2 | |
2 | 3 | 3 | 2 | 5 | |
1 | 2 | 2 | 0 | 1 | |
3 | 3 | 4 | 2 | 0 | |
4 | 5 | 6 | 5 | 3 | |
3 | 2 | 4 | 3 | 8 | |
2 | 2 | 2 | 1 | 4 | |
1 | 3 | 5 | 3 | 4 | |
2 | 0 | 2 | 1 | 3 | |
1 | 2 | 2 | 0 | 1 | |
6 | 6 | 5 | 0 | 3 |
The table below indicates the chapter-wise weightage of Zoology in NEET:
Zoology important chapters for NEET | 2022 | 2023 | 2024 | 2025 | 2026 |
9 | 7 | 6 | 7 | 2 | |
4 | 3 | 4 | 7 | 5 | |
3 | 3 | 5 | 6 | 2 | |
4 | 4 | 4 | 7 | 5 | |
4 | 4 | 6 | 6 | 4 | |
4 | 2 | 1 | 5 | 2 | |
3 | 4 | 2 | 2 | 3 | |
6 | 5 | 7 | 4 | 4 | |
3 | 3 | 4 | 2 | 1 | |
2 | 1 | 2 | 0 | 4 | |
0 | 2 | 4 | 6 | 3 | |
0 | 2 | 2 | 1 | 1 | |
4 | 2 | 2 | 3 | 1 | |
2 | 2 | 4 | 1 | 6 | |
4 | 2 | 2 | 3 | 1 | |
3 | 1 | 2 | 0 | 1 | |
3 | 2 | 2 | 0 | 2 | |
0 | 2 | 1 | 0 | 2 | |
4 | 5 | 2 | 3 | 1 | |
0 | 2 | 5 | 2 | 1 |
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, and Fungi
Structural organisation in plants and animals
Root, stem, and leaf anatomy
Animal 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 the 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
The key chapters for NEET Physics 2027 play an extremely important role in the NEET examination, and that is because of the huge weightage assigned to them. The NEET Physics syllabus 2027 comprises many chapters and can fetch maximum marks up to 180. Students who know the key concepts of NEET and focus on key chapters of NEET can get more marks. Therefore, by focusing on key chapters of NEET like Mechanics (Laws of motion, Rotational Motion & Kinematics), Electrostatics, Optics, Current Electricity, and Modern Physics, students can easily prepare themselves and increase the possibility of success in the NEET exam.
To succeed in NEET 2027, it is necessary for students to concentrate on NEET Physics high-weightage chapters, like Mechanics and Optics, which are often asked in the examination. The NEET Physics important chapters consist of various theoretical topics along with numerical.
Chapter Name | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
4 | 4 | 4 | 4 | 3 | 1 | |
2 | 2 | 1 | 2 | 2 | 2 | |
4 | 4 | 3 | 2 | 1 | 3 | |
Magnetic Effects of Current and Magnetism | 0 | 0 | 0 | 3 | 2 | 2 |
1 | 1 | 1 | 3 | 2 | 4 | |
1 | 1 | 1 | 0 | 1 | 1 | |
Electromagnetic Induction and Alternating Current | 4 | 4 | 5 | 3 | 3 | 4 |
3 | 3 | 3 | 2 | 3 | 2 | |
Semiconductor Electronics: materials, devices and simple circuits | 3 | 3 | 3 | 3 | 2 | 2 |
1 | 2 | 0 | 1 | 2 | 3 | |
3 | 5 | 1 | 4 | 2 | 4 | |
Oscillations and Waves | 3 | 3 | 2 | 4 | 3 | 4 |
Kinematics | 2 | 2 | 3 | 2 | 2 | 1 |
Atoms and Nuclei | 3 | 3 | 3 | 3 | 1 | 3 |
2 | 0 | 2 | 2 | 1 | 3 | |
0 | 0 | 1 | 0 | 1 | 3 | |
1 | 1 | 2 | 2 | 3 | 1 | |
3 | 3 | 2 | 3 | 1 | 1 |
The following chapters in Physics NEET are the most often tested topics in Physics. Candidates who are preparing for the NEET NTA examination should ensure that they prepare the following 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 2027 can improve the performance of candidates in the NEET exam. Students need a systematic way to study chemistry for NEET 2027. Chemistry for NEET 2027 covers more reactions and mechanisms. The NEET Chemistry syllabus 2027 is bifurcated into three parts, which are Physical, Organic and Inorganic Chemistry. NEET question pattern for Chemistry 2027 consists of 45 questions (180 marks). Revision of important chapters of chemistry for NEET will help students to score better in the medical entrance exam.
Below is the table showing the Chemistry chapter-wise weightage for NEET UG 2027 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 | 2026 |
1 | 1 | 1 | 1 | 3 | 2 | |
3 | 3 | 2 | 3 | 2 | 1 | |
Classification of Elements & Periodicity | 0 | 0 | 4 | 3 | 4 | 2 |
4 | 3 | 3 | 3 | 2 | 3 | |
3 | 2 | 1 | 4 | 3 | 3 | |
1 | 1 | 1 | 3 | 1 | 1 | |
1 | 1 | 1 | 1 | 1 | 2 | |
3 | 4 | 2 | 2 | 0 | 1 | |
2 | 3 | 2 | 1 | 1 | 4 | |
2 | 1 | 2 | 6 | 5 | 6 | |
3 | 3 | 0 | 5 | 3 | 2 | |
1 | 2 | 2 | 1 | 0 | 2 | |
1 | 2 | 1 | 2 | 3 | 2 | |
0 | 2 | 3 | 4 | 4 | 2 | |
3 | 3 | 1 | 5 | 4 | 6 | |
3 | 2 | 1 | 2 | 2 | 0 | |
2 | 2 | 4 | 2 | 1 | 0 | |
5 | 2 | 3 | 0 | 1 | 2 | |
Amines | 2 | 2 | 4 | 0 | 3 | 1 |
1 | 0 | 1 | 2 | 2 | 3 |
Aspirants can go through the below-mentioned major topics, which will be asked in Chemistry for NEET 2027, 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 2027 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
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
The three aspects of preparing successfully for NEET 2027 are creating a study plan, focusing on important chapters, and doing mock tests. The role of the expert is to help the aspirant identify the do or die chapters and prepare for the most important topics. Having knowledge of NEET chapter-wise weightage is helpful while preparing smartly. The smart preparation strategy includes managing time, studying important chapters, and maintaining composure during the exam.
Regular revision of concepts
As many mock tests or sample papers as possible from previous years
A proper NEET study plan.
Maintain your health and sleep well
Creating a good NEET exam strategy 2027 involves making realistic targets, doing mock tests, and motivating oneself through preparation.
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 2027 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
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