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NEET Biology Chapter-Wise Weightage 2027 - Class 11 & 12 Biology Chapter-wise Weightage
The NEET Biology chapter-wise weightage 2027 assists candidates in knowing the most frequently asked chapters and topics in the NEET question paper in previous years. Biology has a total weightage of 360 marks out of 720 marks in the NEET examination. Therefore, Biology is a crucial subject as far as scoring higher in the NEET exam is concerned. The analysis of previous-year question papers will allow students to prioritise important chapters, prepare a study timetable and revise the topics which appear often in the Class 11 and Class 12 Biology question papers.
Live | Aug 24, 2026 | 1:00 AM IST
This Story also Contains
- NEET 2027 Class 11 Chapter-wise Weightage for Biology
- NEET 2027 Class 12 Chapter-wise Weightage for Biology
- Importance of NEET Biology Chapter-Wise Weightage 2027
- Most Important Biology Chapters for NEET 2027
- Is Biology Easy to Score in NEET?
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This article explains in detail NEET Biology chapter-wise weightage 2027 based on previous NEET question papers from 2021 to 2026. It explains NEET chapter-wise weightage for Class 11 and Class 12 Biology and includes topics which are asked frequently in the NEET question papers. Along with this weightage analysis, the candidates can refer to the NEET syllabus, NCERT Biology books, NEET important questions, and previous-year NEET questions to prepare effectively for the NEET Biology exam.
NEET 2027 Class 11 Chapter-wise Weightage for Biology
As far as the chapter-wise weightage in NEET 2027 Biology is concerned, topics such as cell structure, plant physiology, human physiology, and biological classification from Class 11 have become an important source of NEET exam questions. Moreover, these topics form the base of many topics of Class 12 too. According to the NEET Biology chapter weightage 2027, the core topics of Class 11 have become part of important NEET questions. This table presents NEET chapter-wise weightage for Class 11 Biology from last year's exam analysis.
Chapter | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
4 | 1 | 3 | 5 | 3 | 4 | |
3 | 3 | 3 | 4 | 2 | 0 | |
1 | 2 | 2 | 2 | 1 | 4 | |
5 | 6 | 6 | 5 | 0 | 3 | |
3 | 3 | 2 | 4 | 3 | 8 | |
3 | 3 | 3 | 5 | 6 | 2 | |
5 | 4 | 5 | 2 | 3 | 1 | |
2 | 2 | 3 | 3 | 2 | 5 | |
2 | 2 | 0 | 2 | 1 | 3 | |
1 | 1 | 2 | 2 | 0 | 1 | |
5 | 4 | 4 | 6 | 6 | 4 | |
1 | 0 | 2 | 4 | 6 | 3 | |
0 | 3 | 3 | 1 | 6 | 2 | |
0 | 2 | 1 | 2 | 0 | 4 | |
0 | 0 | 2 | 2 | 1 | 1 |
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NEET 2027 Class 12 Chapter-wise Weightage for Biology
NEET 2027 Biology Chapter Wise Weightage for Class 12 brings into light very significant chapters like Genetics & Evolution, Human Health & Diseases, Biotechnology & Reproduction, which usually comprise the questions that are most frequently asked biology concepts. They have several direct concepts and definitions, which are relatively easy to understand and score. Proper attention to NEET do or die Biology chapters will result in better scoring since they are relatively more application-oriented. The following is the chapter-wise weightage table for Class 12 Biology according to the previous years' paper analysis.
Chapter | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
3 | 4 | 2 | 1 | 5 | 2 | |
8 | 6 | 5 | 7 | 4 | 4 | |
8 | 6 | 3 | 2 | 3 | 3 | |
4 | 3 | 4 | 2 | 2 | 3 | |
2 | 4 | 5 | 6 | 5 | 3 | |
3 | 2 | 2 | 4 | 1 | 6 | |
3 | 4 | 2 | 2 | 3 | 1 | |
3 | 4 | 3 | 4 | 7 | 5 | |
4 | 4 | 4 | 4 | 7 | 5 | |
11 | 9 | 7 | 6 | 7 | 2 | |
2 | 2 | 1 | 1 | 4 | 1 | |
4 | 2 | 2 | 2 | 0 | 1 |
NEET Biology Chapter-wise Weightage Trend 2021–2026
A six-year study of NEET Biology question papers has come up with chapters which have remained constant in importance and those which have seen changes in the form of question frequency.
The chapter Cell: The Unit of Life had an increase in 2026, with 8 questions coming in the analysis.
Biotechnology: Principles and Processes has always been an important chapter.
Molecular Basis of Inheritance saw many questions before but not in 2026.
Human Health and Disease & Human Reproduction have been important Class 12 chapters.
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Try NowImportance of NEET Biology Chapter-Wise Weightage 2027
Biology is the major subject in NEET 2027 as it constitutes half of the question paper and can add greatly to your overall marks. It is relatively easy compared to physics and chemistry, provided that you know the concepts thoroughly. Knowing the NEET Biology chapter wise weightage 2027 can greatly improve your chances to secure high ranks in the exam. Concentrating on NEET Biology important questions for 330+ marks is a sure-shot way to succeed.
Most Important Biology Chapters for NEET 2027
In order to get more marks in NEET 2027 Biology, you should concentrate on the important biology chapters which have more weightage in Biology. These topics include Human Physiology, Genetics & Evolution, Ecology & Environment, Plant Physiology & Diversity, and Reproduction (Plant & Human).
Chapter | Important Topics | Preparation Tips |
Human Physiology | Digestion, Respiration, Circulation, Excretion, Nervous System, Endocrine Glands | Revise NCERT diagrams and flowcharts. Solve Human Physiology PYQs. |
Genetics and Evolution | Inheritance, Molecular Genetics, DNA Replication, Genetic Disorders, Evolution | Practise genetics numericals and pedigree questions. Solve chapter-wise PYQs. |
Ecology and Environment | Ecosystem, Biodiversity, Environmental Issues, Organisms and Populations | Read NCERT thoroughly. Revise key terms and solve PYQs regularly. |
Plant Physiology & Plant Diversity | Photosynthesis, Respiration, Plant Growth, Plant Kingdom, Morphology, Anatomy, Cell Biology | Revise NCERT diagrams, tables, and important concepts. Practise PYQs. |
Reproduction (Plant & Human) | Human Reproduction, Reproductive Health, Sexual Reproduction in Flowering Plants | Learn NCERT diagrams and important processes. Solve previous years' questions. |
NEET Syllabus: Subjects & Chapters
Select your preferred subject to view the chapters
Is Biology Easy to Score in NEET?
Biology can prove to be an easy-scoring subject in case the students have good knowledge about NCERT topics, diagrams, terminologies, and facts. But the level of difficulty may differ from one paper to another.
Frequently Asked Questions (FAQs)
Q: What is the total marks of NEET Biology?
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 2027?
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 NEET 2027 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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Have a question related to NEET ?
Hello Student,
The NEET 2026 UP State Rank List has not been released yet. The UP NEET 2026 merit list date has not been announced. It will be released after the counselling registration process is completed. Only candidates included in the merit list will be eligible for choice filling and
If by 67 percent you mean you scored around 67 percent of the total NEET marks, admission possibilities cannot be determined from percentage alone. NEET MBBS admission is based primarily on your actual NEET score, rank, category, state domicile, counselling process and the type of college.
It is important to
Dear Student,
With 440 marks, securing an MBBS seat in a government medical college is difficult. The chances through the 85% state quota can be very low and depend on your state, category and counselling-round cutoffs.
Hello, with 440 marks in NEET, you may have a chance of getting a seat through the management quota in Andhra Pradesh. However, the chances depend on the course, your NEET rank, category, college preferences and seat availability during counselling.
You can check the latest Andhra Pradesh NEET counselling details
Hi Meichingthailiu Kamei,
Sorry, dear, we do not cover the botany subject. However, I am providing you with the link where I have curated NEET Biology chapter-wise MCQs in a single place.
You can refer to the related botany subjects and can prepare for NEET accordingly.
Here is the link:
Popular NEET Questions
the product 'P' will be ,
Option: 1
Option: 2
Option: 3
Option: 4
| Column A | Column B |
| A |
a) Organisation of cellular contents and further cell growth. |
| B |
b) Leads to formation of two daughter cells. |
| C |
c) Cell grows physically and increase volume proteins,organells. |
| D |
d) synthesis and replication of DNA. |
Match the correct option as per the process shown in the
0.16 g of dibasic acid required 25 ml of decinormal solution for complete neutralisation. The modecular weight of the acid will be
Option: 1
32
Option: 2
64
Option: 3
128
Option: 4
256
0xone is
Option: 1
Option: 2
Option: 3
Option: 4
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