NEET Syllabus Chapter Wise Weightage 2027: Physics, Chemistry & Biology

NEET Chapter Wise Weightage 2027 with Important Topics

Knowing the weightage of chapters in the NEET syllabus helps students plan their preparation effectively. There are varying patterns in Physics, Chemistry and Biology questions, therefore students must prepare accordingly.

National Testing Agency (NTA) does not publish official chapter weightage in the NEET syllabus. The amount of questions that appear from every chapter each year may vary, which makes old question papers an indication of the important chapters but not a sure prediction of NEET 2027.

The most recently published version of the NEET syllabus is NEET UG 2026 syllabus. This version can be referred to while preparing for NEET until the NEET UG 2027 syllabus gets released.

NEET UG 2027 preparation overview:

Particulars Details
Examination NEET UG 2027
Conducting authority National Testing Agency (NTA)
Subjects Physics, Chemistry and Biology
Total questions in NEET 2026 180 compulsory
Physics questions 45
Chemistry questions 45
Biology questions 90
Total marks 720
Examination duration in 2026 180 minutes
Latest published syllabus reference NEET UG 2026

Official resources:

NEET Physics Chapter Wise Weightage

Physics is considered to be an arduous subject because it incorporates conceptual comprehension and mathematical computations and numerical problems solving. It is important to understand key concepts before attempting complex questions.

Looking at the analyses of past year questions, topics such as Mechanics, Electrostatics, Current Electricity, Optics and Modern Physics require regular effort.

Important Physics Chapters for NEET 2027

The following table highlights important Physics topics based on previous-paper trends. The priority labels are preparation guidance, not official NTA weightage.

Chapter / Topic Class Preparation Priority
Physics and Measurement11High
Kinematics11High
Laws of Motion11Medium
Work, Energy and Power11High
Rotational Motion11High
Gravitation11Medium
Thermodynamics11Medium
Oscillations and Waves11Medium
Electrostatics12High
Current Electricity12High
Magnetic Effects of Current and Magnetism12High
Electromagnetic Induction and Alternating Currents12High
Optics12High
Dual Nature of Matter and Radiation12High
Atoms and Nuclei12High
Electronic Devices12High

How to Prepare Physics for NEET

  • Get a grasp of concepts and how they can be applied instead of just remembering the formulas.
  • Practice numerical problems and questions every day.
  • Focus on Mechanics, Electricity, Magnetism, and Optics.
  • Keep a formula notebook for easy reference later.
  • Review past year’s problem paper after completing every chapter.
  • Identify mistakes and errors while solving the problems in mock tests.

Regular practice is the key to succeeding in Physics preparation. Students must constantly practice solving numerical problems and equations instead of waiting for the last revision time.

NEET Chemistry Chapter Wise Weightage

Chemistry can be divided into Physical Chemistry, Inorganic Chemistry, and Organic Chemistry. Each branch has a different way of studying it.

Physical Chemistry deals with numbers and concepts, Inorganic Chemistry emphasizes properties and trends, and Organic Chemistry is all about reactions and their mechanisms.

Important Chemistry Chapters for NEET 2027

Chapter / Topic Class Preparation Priority
Some Basic Concepts in Chemistry11High
Atomic Structure11Medium
Chemical Bonding and Molecular Structure11High
Chemical Thermodynamics11High
Equilibrium11High
Classification of Elements and Periodicity11High
Some Basic Principles of Organic Chemistry11High
Hydrocarbons11High
Solutions12Medium
Redox Reactions and Electrochemistry12High
Chemical Kinetics12High
P-Block Elements12High
d- and f-Block Elements12High
Coordination Compounds12High
Organic Compounds Containing Oxygen12High
Organic Compounds Containing Nitrogen12High
Biomolecules12High

How to Prepare Chemistry for NEET

  • Physical Chemistry: Practise numerical questions from Mole Concept, Equilibrium, Thermodynamics and Electrochemistry.
  • Inorganic Chemistry: Revise NCERT content, periodic trends, chemical properties and important exceptions.
  • Organic Chemistry: Build strong fundamentals in GOC, understand reaction mechanisms and practise conversions.
  • Revision: Maintain separate notes for formulas, reactions and important facts.
  • Practice: Solve chapter-wise MCQs and previous-year questions to understand how concepts are tested.

Students should use NCERT as a core resource and refer to the official syllabus to ensure that their preparation covers the prescribed topics.

NEET Biology Chapter Wise Weightage

Biology constitutes the largest part of the NEET paper as it has 90 questions in total and 360 marks as per the NEET 2026 examination format. It comprises both Botany and Zoology and covers questions based on the concepts, diagrams, biological processes, terms, and factual information.

With Biology making up 50% of the total NEET marks, students are advised to focus more on NCERT-based study material, revision and practice questions.

Important Botany Chapters for NEET 2027

Chapter / Topic Class Preparation Priority
Plant Kingdom11High
Morphology of Flowering Plants11High
Anatomy of Flowering Plants11Medium
Cell: The Unit of Life11High
Biomolecules11High
Cell Cycle and Cell Division11High
Photosynthesis in Higher Plants11High
Principles of Inheritance and Variation12High
Molecular Basis of Inheritance12High
Biotechnology: Principles and Processes12High
Biotechnology and Its Applications12High
Organisms and Populations12Medium
Ecosystem12High
Biodiversity and Conservation12High

Important Zoology Chapters for NEET 2027

Chapter / Topic Class Preparation Priority
Animal Kingdom11High
Structural Organisation in Animals11High
Breathing and Exchange of Gases11Medium
Body Fluids and Circulation11High
Excretory Products and Their Elimination11Medium
Locomotion and Movement11Medium
Neural Control and Coordination11High
Chemical Coordination and Integration11High
Human Reproduction12High
Reproductive Health12High
Evolution12Medium
Human Health and Disease12High

Note: The tables are intended as a preparation-priority guide. The official syllabus and chapter names should always take precedence over older chapter lists, particularly where syllabus units have been revised or combined.

How to Prepare Biology for NEET

  • Make sure to read the NCERT thoroughly and make revisions about important lines continuously.
  • Highlight the diagrams, charts, illustrations, and biological terms.
  • Prepare short notes for tough concepts and factual data.
  • Practice MCQs chapter wise after completing the chapter.
  • It is important to keep revising Genetics, Human Physiology, Reproduction, Ecology and Biotechnology.
  • Solve past papers to get an idea about how the NCERT concepts are tested through questions.

Students can practise using Unacademy's NEET chapter-wise previous-year questions.

How to Use NEET Chapter-Wise Weightage for Preparation

A breakdown of the weightage of each chapter will assist students in determining where their study priorities should lie, but it shouldn’t decide what chapters can be ignored. A topic that hasn’t been asked often in past years can very well show up in NEET 2027.

Use the following approach:

  1. Complete the official syllabus: Make a chapter-wise checklist using the latest NTA syllabus.
  2. Identify difficult chapters: Mark topics where you need additional concept learning and practice.
  3. Prioritise recurring topics: Give consistent revision time to chapters that have appeared frequently in previous papers.
  4. Practise PYQs: Solve previous-year questions after completing each chapter.
  5. Take mock tests: Evaluate your performance across all three subjects.
  6. Review mistakes: Identify conceptual gaps, calculation errors and topics that require further revision.

For a more structured preparation approach, students can explore Unacademy NEET UG courses and the NEET Preparation Toolkit.

NEET Exam Pattern and Marks Distribution

It is vital to know about the examination pattern before starting the chapter-wise preparation. The examination under the NEET UG 2026 pattern consists of 180 required multiple choice questions which must be completed in 180 minutes.

NEET Subject-Wise Questions and Marks

Subject Number of Questions Maximum Marks
Physics45180
Chemistry45180
Biology (Botany and Zoology)90360
Total180720

NEET Marking Scheme

Response Marks
Correct answer+4
Incorrect answer-1
Unanswered question0

There will not be any optional section B from the exam format which will be followed from 2025. All the 180 questions will be mandatory in the 2026 format.

Students should verify the 2027 examination pattern through the official NEET Information Bulletin when the relevant notification is released.

NEET Preparation Resources and Mock Tests

In addition to knowing the chapter-wise weightage, the aspirants also need to practice questions regularly and revise their subjects so as to ensure effective preparation.There is a variety of study material that can help them achieve success in the exams.

The following resources can support NEET preparation:

Resource How It Helps
NCERT Class 11 and 12 textbooksBuilds subject fundamentals
Official NEET syllabusHelps track prescribed chapters
Previous-year question papersFamiliarises students with question formats
Chapter-wise MCQsStrengthens topic-level understanding
Mock testsHelps improve speed, accuracy and time management
Revision notesSupports regular revision

Students can use the following Unacademy resources:

The CBT programme is an Unacademy practice offering and should not be confused with the official NTA examination.

Frequently Asked Questions

What is the total number of questions from Chemistry in NEET 2027?+

The question pattern for NEET UG 2027 has not been released by the board officially. In the NEET UG 2026, there were 45 questions in Chemistry that carried a total of 180 marks.

What are the main sections of the NEET Chemistry syllabus 2027?+

The syllabus of NEET Chemistry is segregated into Physical Chemistry, Inorganic Chemistry and Organic Chemistry. The latest syllabus 2026 includes 8 units of Physical Chemistry, 4 units of Inorganic Chemistry and 8 units of Organic Chemistry.

Is the NEET Chemistry syllabus 2027 based on NCERT books?+

The syllabus of NEET Chemistry includes topics from NCERT books for Classes 11 & 12 Chemistry. Students should follow the NCERT book while preparing for the NEET exam along with the official syllabus provided by the NTA/NMC.

Which chapters are most important in Physical Chemistry for NEET?+

Some of the important topics for Physical Chemistry are Mole Concept, Atomic Structure, Chemical Bonding, Thermodynamics, Equilibrium, Solutions, Electrochemistry and Chemical Kinetics. However, it is essential to prepare all topics as the question pattern may vary according to the chapters.

What is the right way to prepare for Organic Chemistry?+

Students need to start their preparation with the basic concepts of Organic Chemistry such as nomenclature, isomerism and electronic effect. After that, the topic of reaction mechanism, functional groups and conversion needs to be prepared.

Are there any new additions to the NEET Chemistry syllabus for 2027?+

As of now, the new NEET UG syllabus for 2027 is yet to be released by NTA and NMC. It is better to follow the syllabus of 2026 at this point of time.

How many chapters are included in the Chemistry full syllabus for NEET 2027?+

As per the latest NEET UG 2026 Chemistry syllabus, there are 20 topics covered in the subject. There are 8 topics in Physical Chemistry, 4 topics in Inorganic Chemistry and 8 topics in Organic Chemistry.

How many questions will be asked in the Chemistry NEET portion?+

As per the NEET UG 2026 pattern, Chemistry was carrying 45 questions for a total of 180 marks. The number of questions in NEET UG 2027 will be made available in the official exam bulletin.

Can I rely solely on NCERT for my NEET preparation?+

NCERT has been identified as an important part of NEET preparation especially with regard to Biology and Inorganic Chemistry. However, other important items for preparation so that students can adequately prepare in all three subjects are solving numerical problems and past questions.

Is Section B still part of the NEET exam?+

No. The optional Section B was omitted from the papers from NEET UG 2025 onwards. According to the 2026 pattern, the present one, all 180 questions must be attempted.

Which subject is the hardest in NEET?+

The difficulty of the subjects is determined by the student's strengths and preparation. In Physics, additional practice to solve numbers is likely to be needed and in Chemistry, there is a combination of theory and fact.

Can a NEET score open doors beyond MBBS?+

Yes. The NEET score is used for getting admission into many courses, provided that the regulations applicable to each course are satisfied by candidates.

How many questions are there in each section of NEET 2027?+

The official Information Bulletin of NEET UG 2027 will confirm the pattern of the exam. According to the last published pattern for 2026, Physics has 45 questions, Chemistry has 45 questions and Biology has 90 questions, adding up to 180 mandatory questions in total.

How can I determine the importance of each chapter in NEET UG 2027?+

Examine the previous years’ papers, identify the repeating topics and compare with the current syllabus. Learn about their patterns out of which revisions can be made according to their importance but make sure to follow through all chapters and not skip the lessons based on only the past exam papers.

Do Class 12 chapters carry more weightage than Class 11 in NEET UG 2027?+

There are not any ratios provided for Class 12 vs Class 11 question allocation. Both classes contain essential concepts for preparation. So it is safe for the candidates to cover the entire syllabus rather than believe that one class would provide more weightage.

Will NEET 2027 be tougher than NEET 2026?+

There is no way to know before the exam what the difficulty level will be. It entirely depends on the questions intended to be asked each year. Therefore focus on covering the syllabus and improving your knowledge rather than trying to guess the difficulty.

Which chapter is most important for NEET 2027?+

It is difficult to pinpoint one chapter that is most important for all students. Some topics that might be helpful for exam preparation are Genetics, Human Physiology, Ecology, Electrostatics, Current Electricity, Chemical Bonding and Organic Chemistry. Nevertheless, students are expected to cover all chapters in the syllabus.

Is the NEET syllabus reduced for 2027?+

The official NEET UG 2027 syllabus has not yet been released. Students should use the latest published 2026 syllabus as a reference and check the NTA NEET website for the updated syllabus notification.

Can I get 700+ in NEET in 3 months?+

Achieving a score of 700+ in three months can be tough, depending on the current level of preparation, conceptual clarity and practice of students. It is advisable to concentrate on finishing the syllabus, revising NCERT textbooks, solving previous years' question papers, and taking full-length mock tests regularly. It is important to remember that any preparation strategy does not guarantee any specific score.

How many cut-off marks are required in NEET 2027?+

NEET UG 2027 qualifying cut-off will be released post announcement of results. The cut-off mark depends on the percentile norms and scoring of candidates. Further, admission cut-offs vary for MBBS and other courses, depending on the category of candidates, the college, state, quota, and Counselling round. Candidates should remember the difference between qualifying cut-off and admission cut-off. Qualifying cut-off does not mean a seat in a medical college is guaranteed.