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 06 Oct 2025, 12:40 PM 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.

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 2026 important chapters 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.

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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 ?

Hello,

Yes, you can clear NEET examination in 5 months if you follow this strategy:

  • Time Management
  • Syllabus Coverage
  • Practice & Revision
  • Consistency & Discipline
  • Last 1 Month preparation

For more guidance access below mentioned link:

https://medicine.careers360.com/articles/how-prepare-for-neet-in-5-months

Hope it helps.

Hello aspirant,

The sample paper PDF can help NEET 2026 candidates better prepare.  These NEET 2026 sample papers, which cover questions from physics, chemistry, and biology, adhere to the most recent exam format.  Students can learn about question kinds, chapter-wise weighting, and difficulty level by solving the question paper, which also provides them with exam-like practice.

To get the sample papers, you can visit our site through following link:

https://medicine.careers360.com/articles/neet-sample-paper

Thank you

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The best careers utilize the strong scientific foundation gained in high school.

A PCB background prepares you well for entrance exams like AIIMS Paramedical, JENPAS UG, or BITSAT. Don't limit yourself to NEET; use your science skills for highly in-demand careers in diagnostics, research, and therapy.

This article details a range of science career options available after Class 12: https://www.careers360.com/careers/articles/career-options-after-12th-science-pcb-counar


Hello,

Neet exam ke liye sabse important or crucial book NCERT hai.

Kisi bhi or book ko krne ke pehle make sure ki aap ncert achhe se krlo.

Uske baad physics me grip achhi krne ke liye hc verma kr skte hain mechanics le portion ke liye

Inorganic, organic chemistry or biology le liye strictly NCERT follow karein

Physical chemistry ke liye kisi module ki help lein

Hello,

The NEET application form usually opens in February and the last date is usually in March . The exam is generally held in May . The form is filled online on the official NTA NEET website.

For the SC category , you need at least 40% marks in Physics, Chemistry, and Biology in Class 12 to be eligible. The minimum age required is 17 years , and there is no upper age limit .

You can fill the NEET form only through the official NTA website when the registration starts.

Hope it helps !