NEET Biology Chapter-Wise Weightage 2026 by NTA - Class 11 & 12 Biology Chapter-wise Weightage

NEET Biology Chapter-Wise Weightage 2026 by NTA - Class 11 & 12 Biology Chapter-wise Weightage

Irshad AnwarUpdated on 23 Dec 2025, 10:23 AM IST

Biology covers the largest portion of NEET, carrying 90 questions out of 180 for a total of 360 marks, which means it alone accounts for 50% of the paper. These 90 questions are usually divided between Class 11 and Class 12, covering both Botany and Zoology. Hence, NEET Biology Chapter-wise Weightage 2026 is a key resource for aspirants who want to score high in the exam.

LiveNEET UG 2026 LIVE: NTA NEET syllabus out at neet.nta.nic.in; NEET brochure expected soon, updatesJan 9, 2026 | 2:11 PM IST

For the candidates' reference, below is the overview for the NEET exam 2026.

Particulars
Details
Full exam name
National Eligibility cum Eligibility Test Undergraduate 2026
Short exam name
NEET 2026
Conducting body
National Testing Agency (NTA)
Official website
neet.nta.nic.in
Exam frequency
Once a year
Mode of exam
Offline (pen and paper-based)
NEET 2026 application form fee
Rs.1700
Courses offered
MBBS, AYUSH, BDS, B.V.Sc
Minimum eligibility
10 + 2 class pass out with Physics, Chemistry, and Biology
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This Story also Contains

  1. Importance of NEET Biology Chapter-Wise Weightage 2026
  2. NEET 2026 Chapterwise Weightage for Biology Class 11
  3. NEET 2026 Chapterwise Weightage for Biology Class 12
  4. Which Chapter has the Highest Weightage in Biology for NEET 2026?
  5. Is Biology Tough in NEET?
NEET Biology Chapter-Wise Weightage 2026 by NTA  -  Class 11 & 12 Biology Chapter-wise Weightage
NEET Biology Chapter-Wise Weightage

Because Biology contributes half of the exam, understanding the chapter-wise weightage helps students prepare more strategically. By focusing more time on high-weightage chapters like Genetics, Physiology, Ecology, and Biotechnology, aspirants can maximise their marks and improve their chances of securing a top rank in the NEET exam.

Importance of NEET Biology Chapter-Wise Weightage 2026

Biology is the most important subject in NEET 2026 because it covers half of the question paper and can significantly boost your overall score. The subject is generally considered easier to understand than physics and chemistry, especially if you understand the concepts well. Knowing the NEET Biology chapter-wise weightage 2026 it will help to score well and make a big difference in getting a good rank. Paying attention to the NEET Biology important questions to score 330+ marks and revising them regularly is the key to success.

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NEET 2026 Chapterwise Weightage for Biology Class 11

When it comes to NEET 2026 Biology chapter-wise distribution, chapters like cell structure, plant physiology, human physiology and biological classification from Class 11 are usually given more importance. These chapters form the base for many Class 12 concepts as well. The NEET Biology chapter weightage 2026 also suggests that the foundational topics from Class 11 are often tested directly or indirectly. The table below shows the NEET chapter-wise weightage for Class 11 Biology based on the past 5 year exam analysis.

NEET 2026 Free Mock Test with Solutions
Download the NEET 2026 Free Mock Test PDF with detailed solutions. Practice real exam-style questions, analyze your performance, and enhance your preparation.
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NEET 2026 Chapterwise Weightage for Biology Class 12

The NEET 2026 Biology weightage for Class 12 highlights important chapters such as genetics and evolution, human health and disease, biotechnology and reproduction are often more commonly asked in exams. These chapters contain many direct concepts and definitions that are easier to remember and score. Focusing well on the NEET Biology 2026 important chapters helps in gaining better marks, as they are slightly more application-based. The table below shows the chapter-wise weightage for Class 12 Biology based on the previous years' analysis.

Which Chapter has the Highest Weightage in Biology for NEET 2026?

In NEET Biology, certain chapters consistently appear to have higher weightage based on past exam patterns and analysis. Genetics and Evolution and Ecology, and Environment tend to be significant, with Genetics and Evolution potentially carrying the most weight. Other chapters, like Human Physiology, Plant Physiology, and Reproduction, also frequently have a larger number of questions.

NEET Syllabus: Subjects & Chapters
Select your preferred subject to view the chapters

Is Biology Tough in NEET?

In the NEET exam, Biology is generally considered an easier section compared to Physics and Chemistry, especially if you've thoroughly studied the NCERT textbooks. Most questions are based on these textbooks and require an understanding of concepts and memorising key terms, processes, and diagrams.

Frequently Asked Questions (FAQs)

Q: What is the total marks of NEET Biology 2026?
A:

There will be a total of 90 questions asked from the Biology section of NEET. The total marks for the Biology section is 360 marks.

Q: Where can I download the official NEET Biology weightage PDF?
A:

The NTA (National Testing Agency) releases the official NEET syllabus and weightage details on its website (neet.nta.nic.in). Various educational platforms also provide chapter-wise weightage PDFs.

Q: Which chapters have the highest weightage in NEET Biology 2026?
A:

Chapters like Human Physiology, Genetics & Evolution, Ecology, and Biotechnology have the highest weightage in NEET Biology. These topics require extra focus during preparation.

Q: How can I use NEET Biology weightage to improve my score?
A:

Focus on high-weightage topics first. Revise NCERT thoroughly, practice previous years' papers, and take mock tests to strengthen weak areas and maximise scores.

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Questions related to NEET

On Question asked by student community

Have a question related to NEET ?

Hi there,

Apart from NEET and CUET you can explore the following career paths to

Students pursuing the PCB (Physics, Chemistry, Biology) stream can explore a wide range of options apart from CUET and NEET. Their choices are not just limited to medicine and can expand to include numerous areas

Hello,

The link to the papers is attached here. Solving previous year questions will help you understanding the important topics. You can also practice the sample papers and mock test papers of careers360 which will help you analyse your in-depth performance.

https://medicine.careers360.com/download/sample-papers/neet-previous-5-years-question-papers-20212025-answer-keys-solutions-pdf-free-download

Thank you.

HELLO,

Below i am attaching the link through which you can download the NEET question paper in Hindi PDF

Here is the link :- https://medicine.careers360.com/hi/articles/neet-question-paper

Hope this will help you!

Hello Akanksha

It is possible to complete the syllabus within 4 months with discipline and clear plan. You need to be consistent everyday.

•In the first month you can complete

Units & measurement, motion in 1d and 2d, laws of motion, work power energy

Some basic concepts of chemistry, atomic

Hello,

The application process for NEET UG 2026 state quota seats in Karnataka, Gujarat, Maharashtra, and Puducherry is expected to begin in July 2026, after the NEET 2026 results are announced in June 2026. The exact dates are announced by each state's respective counselling authority.

I hope it will clear