Students preparing for NEET often want to know how many chapters they need to complete before the exam. The answer depends on whether you count the official syllabus units or individual chapters in your textbooks.
The National Medical Commission (NMC) organises the official NEET syllabus into 50 broad units: 20 for Physics, 20 for Chemistry and 10 for Biology in the latest officially published syllabus for NEET UG 2026. These units cover topics from the Class 11 and Class 12 curriculum.
However, 50 official units does not mean there are only 50 textbook chapters. Some syllabus units cover topics that are divided into multiple chapters in textbooks. Therefore, the total chapter count can differ depending on the book or study material being used.
As of October 2026, a separate NEET UG 2027 syllabus notice has not been verified in the official sources linked below. Students can use the latest official syllabus as a preparation reference while waiting for the 2027 notification.
How Many Chapters Are There in NEET by Subject?
The official syllabus is divided into three subjects. Biology includes topics from Botany and Zoology, while Physics and Chemistry have their own subject-wise units.
| Subject | Official units in the latest published syllabus | Marks in the NEET UG 2026 pattern |
| Physics | 20 | 180 |
| Chemistry | 20 | 180 |
| Biology | 10 | 360 |
| Total | 50 | 720 |
Note: The unit counts and marks above refer to the latest published NEET UG 2026 syllabus and exam pattern. Check the official 2027 notification when it becomes available.
Is the total number of chapters in NEET fixed?
There is no single textbook chapter count that applies to every study resource. The official syllabus lists units and topics, while NCERT textbooks and coaching materials may group those topics differently.
For example, one broad Physics unit may include concepts covered across more than one textbook chapter. Similarly, Biology units can include topics that students study separately under Botany and Zoology.
For accurate preparation, use the official syllabus to identify what is included in the exam. Then map each listed topic to the relevant chapter in your textbook.
NEET Full Syllabus: Subject-Wise Units
The following is a subject-wise overview based on the latest published official syllabus. It is a reference for NEET 2027 preparation, not a claim that a separate 2027 syllabus has been released.
Read More: NEET 2027 Syllabus PDF: Subject-Wise Physics, Chemistry & Biology Syllabus (Latest NTA Updates)
NEET Physics Syllabus
Physics covers measurement, mechanics, thermal physics, electricity, magnetism, optics and modern physics. The latest published syllabus contains 20 units.
| No. | Physics unit |
| 1 | Physics and Measurement |
| 2 | Kinematics |
| 3 | Laws of Motion |
| 4 | Work, Energy and Power |
| 5 | Rotational Motion |
| 6 | Gravitation |
| 7 | Properties of Solids and Liquids |
| 8 | Thermodynamics |
| 9 | Kinetic Theory of Gases |
| 10 | Oscillations and Waves |
| 11 | Electrostatics |
| 12 | Current Electricity |
| 13 | Magnetic Effects of Current and Magnetism |
| 14 | Electromagnetic Induction and Alternating Currents |
| 15 | Electromagnetic Waves |
| 16 | Optics |
| 17 | Dual Nature of Matter and Radiation |
| 18 | Atoms and Nuclei |
| 19 | Electronic Devices |
| 20 | Experimental Skills |
How to use this list: Match each unit with your Class 11 or Class 12 textbook, mark the topics you have completed and keep a separate list of topics that need revision. Do not assume that completing a textbook chapter automatically covers every topic in the corresponding official unit.
NEET Chemistry Syllabus
Chemistry is organised into Physical Chemistry, Inorganic Chemistry and Organic Chemistry study areas. The official syllabus contains 20 units in total.
Physical Chemistry
| No. | Unit |
| 1 | Some Basic Concepts in Chemistry |
| 2 | Atomic Structure |
| 3 | Chemical Bonding and Molecular Structure |
| 4 | Chemical Thermodynamics |
| 5 | Solutions |
| 6 | Equilibrium |
| 7 | Redox Reactions and Electrochemistry |
| 8 | Chemical Kinetics |
Inorganic Chemistry
| No. | Unit |
| 9 | Classification of Elements and Periodicity in Properties |
| 10 | P-Block Elements |
| 11 | d- and f-Block Elements |
| 12 | Coordination Compounds |
Organic Chemistry and Practical Chemistry
| No. | Unit |
| 13 | Purification and Characterisation of Organic Compounds |
| 14 | Some Basic Principles of Organic Chemistry |
| 15 | Hydrocarbons |
| 16 | Organic Compounds Containing Halogens |
| 17 | Organic Compounds Containing Oxygen |
| 18 | Organic Compounds Containing Nitrogen |
| 19 | Biomolecules |
| 20 | Principles Related to Practical Chemistry |
How to use this list: Keep separate revision notes for reactions, named concepts, formulas and numerical problems. After finishing a topic, solve questions that test that specific concept before moving to a mixed practice set.
NEET Biology Syllabus
Biology carries the largest share of marks in the NEET UG 2026 exam pattern. Its official syllabus is organised into 10 broad units, covering topics commonly studied through Botany and Zoology.
| No. | Biology unit |
| 1 | Diversity in Living World |
| 2 | Structural Organisation in Animals and Plants |
| 3 | Cell Structure and Function |
| 4 | Plant Physiology |
| 5 | Human Physiology |
| 6 | Reproduction |
| 7 | Genetics and Evolution |
| 8 | Biology and Human Welfare |
| 9 | Biotechnology and Its Applications |
| 10 | Ecology and Environment |
How to use this list: Break each unit into individual textbook topics. Track diagrams, definitions, examples and processes separately, and practise questions after studying each topic. This makes it easier to identify gaps than simply marking a broad unit as complete.
Class 11 and Class 12 NEET Syllabus: How Should You Divide It?
The NEET syllabus draws on topics from both Class 11 and Class 12. Students should organise their study plan around the official syllabus rather than relying only on a list of textbook chapter titles.
| Study stage | Recommended approach |
| Class 11 topics | Review the relevant Physics, Chemistry and Biology concepts and identify unfinished topics |
| Class 12 topics | Study the relevant units alongside school coursework and regular question practice |
| Revision stage | Revisit difficult topics, solve mixed subject-wise tests and maintain an error log |
| Final preparation | Check the official syllabus again and revise only the topics applicable to the notified examination |
If you have already completed Class 11, do not skip its topics while preparing for Class 12. Schedule regular revision sessions so that older concepts remain fresh as you cover new material.
NEET 2027 Syllabus PDF: Where Can You Download It?
Students looking for a NEET 2027 syllabus PDF should first check the official websites. An unofficial PDF may be useful for reference, but it should not be treated as an official document unless its source can be verified.
The latest official syllabus available in the sources checked is for NEET UG 2026. A separate NEET UG 2027 syllabus notice has not been verified as of October 2026.
Until the 2027 syllabus is officially published, students can use the latest official syllabus as a working reference. Before relying on it for final preparation, check the official websites for any new notification or changes.
Has the NEET 2027 Syllabus Changed?
A change to the NEET 2027 syllabus should not be assumed without an official notification. Students should distinguish between a confirmed syllabus update and an article or social media post discussing a possible change.
To check for an update:
- Visit the official NTA NEET website.
- Open the public notices or documents section.
- Look for the NEET UG 2027 syllabus or information bulletin.
- Compare the published subject units and topics with the syllabus you are using.
- Update your study checklist only after confirming the official document.
Avoid removing topics from your preparation solely because they appear in a third-party deleted-syllabus list. Confirm their status against the relevant official syllabus first.
How to Complete the NEET Syllabus Without Missing Chapters
A chapter list is useful only when it helps you track actual preparation. Use a topic-level checklist to avoid overlooking concepts within larger units.
1. Make a topic-wise checklist
Copy the official syllabus units into a spreadsheet or notebook. Under each unit, list the individual topics from your prescribed textbooks. This lets you track completion at a more useful level than a single chapter title.
2. Mark topics by preparation status
Use three simple labels:
- Not started: You have not studied the topic.
- In progress: You have studied it but still need practice or revision.
- Completed: You have covered the topic and tested your understanding with questions.
A topic should not be marked complete just because you have read it once.
3. Track mistakes separately
Record questions you answer incorrectly, concepts you confuse and formulas you forget. Review this list during revision instead of repeatedly studying every topic from the beginning.
4. Revise Class 11 and Class 12 together
Do not leave all earlier topics until the end. Set aside time each week for revision of completed units while continuing with new topics.
5. Recheck the official syllabus before final revision
The syllabus you use for planning should match the official notification applicable to your examination year. Recheck it when the NEET UG 2027 documents become available.
Frequently Asked Questions
1. How many chapters are there in the NEET syllabus?
The official NEET UG 2026 syllabus contains 50 broad units: 20 Physics, 20 Chemistry and 10 Biology. The total number of textbook chapters varies according to how the topics are divided in the books or study material. A separate NEET UG 2027 syllabus should be checked when officially released.
2. What is the total number of chapters in NEET for Class 11 and Class 12?
There is no single textbook chapter total that applies to every resource. NEET covers topics from Classes 11 and 12, while the official syllabus is organised into units. Map those units to your textbooks to create an accurate chapter checklist.
3. What subjects are included in the NEET exam?
NEET UG covers Physics, Chemistry and Biology. Biology includes topics studied under Botany and Zoology. In the NEET UG 2026 pattern, Physics has 45 questions, Chemistry has 45 and Biology has 90, for a total of 180 questions.
4. Where can I download the NEET 2027 syllabus PDF?
Check the official NTA NEET website at and the National Medical Commission website at https://www.nmc.org.in/. As of October 2026, a separate official NEET UG 2027 syllabus PDF has not been verified. Use the latest official syllabus as a provisional reference until a new notice appears.
5. Is the NEET 2027 syllabus the same as the NEET 2026 syllabus?
The 2026 syllabus is a useful working reference, but it should not be described as the confirmed 2027 syllabus without a separate official notification. Check NTA and NMC announcements before making final decisions about which topics to study or skip.
Official Sources
Editorial note: Verify the subject-unit tables and exam-pattern details against the latest official syllabus before publication. Update this page when the NEET UG 2027 notification is released.