NEET UG chapter-wise weightage: how to decide what to study first
NTA does not publish chapter weightage. Here is what the official pattern does tell you, and how to combine it with your own mistakes to set priorities.
Is there an official NEET UG chapter-wise weightage?
No. NTA and NMC publish the syllabus as a list of units, and the bulletin fixes marks by subject. Neither says how many questions will come from each chapter.
What the official pattern does fix:
| Subject | Questions | Marks | Share of the paper |
|---|---|---|---|
| Physics | 45 | 180 | One quarter |
| Chemistry | 45 | 180 | One quarter |
| Biology (Botany and Zoology) | 90 | 360 | Half |
Any table of chapter-wise percentages you find online is someone’s count from past papers. It can be a useful rough guide. It is not a promise about the next paper. This is why we do not publish our own percentages here.
How should you prioritise NEET UG chapters?
Use three inputs, in this order.
1. Cover the whole syllabus first
Every unit on the official syllabus can be asked. There are 50 units: 20 in Physics, 20 in Chemistry and 10 in Biology. With all 180 questions compulsory and no choice, a skipped unit is a set of questions you have decided in advance to guess or leave.
Get a working first pass of every unit before you go deep on any one. That is cheaper than discovering a gap in the exam hall.
2. Put the NCERT chapters at the centre
The official units map closely onto NCERT Class 11 and 12 chapters. Our syllabus page lists the chapters for each unit, and the notes on NEET Notes follow them.
In practice that means:
- Biology: read the NCERT chapters line by line, including diagrams, tables and examples. Biology is half the marks and also the first tie-breaker.
- Chemistry: inorganic and organic chapters reward close reading of NCERT reactions and exceptions; physical chemistry rewards practice.
- Physics: concepts from the chapter, then numericals until they are routine.
3. Let your own errors decide what to revise
Once you have covered the syllabus, the best guide to priority is not a weightage table. It is where you lose marks.
After each mock test or past paper:
- List every wrong or skipped question by chapter.
- Mark why it went wrong: concept, recall, reading, calculation or time.
- Rank chapters by marks lost, not by how often they appear in past papers.
A chapter worth “only a few questions” that you get wrong every time is a better use of your next week than a popular chapter you already score well in. The previous-year papers page has a full review method.
Where can you see estimated chapter-wise weightage?
NEET Notes has a chapter-wise weightage page, built from past papers. Use it to break ties between chapters you are equally weak in, or to decide which chapter to revise first in the last weeks. Do not use it to drop chapters.
A simple way to combine all three
| Your situation with a chapter | Priority |
|---|---|
| Not yet covered | High: cover it, whatever its weightage |
| Covered, losing marks in mocks | High: fix it next |
| Covered, scoring well, often asked | Medium: keep it warm with short revision |
| Covered, scoring well, rarely asked | Low: revise before the exam |
What to read next
- The exam pattern explains why careless negatives matter so much under +4/−1 marking.
- The preparation strategy turns these priorities into a study plan.
TestGuru’s NEET UG mock tests are not open yet. When they are, each report will name the idea behind each wrong answer and show which chapters your lost marks come from.