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NEET Biology Chapter-Wise Weightage 2027 - Class 11 & 12 Biology Chapter-wise Weightage
The NEET Biology Chapter 2027 weightage helps the candidates to focus on important chapters and prepare their NEET UG revision plan accordingly. There are a total of 360 marks allotted for the Biology section, and an analysis of previous years' question papers will give the candidates an idea about the NEET Biology unit wise weightage 2027 as well as the important topics for Class 11 and Class 12. Candidates can also compare NEET Botany weightage and NEET Zoology weightage to organise their preparation across both sections.
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?
- Common Mistakes to Avoid While Preparing Biology for NEET 2027
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This article deals with the NEET Biology high weightage chapters 2027 along with the number of questions asked in each chapter in the years 2021 to 2026. These statistics are obtained through analysis of previous years' question papers since the National Testing Agency (NTA) has not given the NEET Biology chapter wise weightage. Candidates should keep these trends in mind while preparing, solve previous years' questions and cover the whole NEET Biology syllabus.
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.
Most Scoring Concepts for NEET 2027
Download the NEET Most Scoring Chapters and Topics PDF based on the past 5 years’ analysis. Focus on high-weightage topics and boost your NEET preparation.
Download EBookImportance 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 be considered a scoring subject when the aspirants are well aware of the NCERT concepts and do constant revisions. However, there is a possibility that the difficulty level and type of questions asked might differ in various NEET exams.
Aspirants must aim for accurate preparation of NCERT concepts, frequent revisions, and practice MCQs. The NEET Biology chapter-wise weightage 2027 can provide guidance, but it cannot ensure the exact number of questions coming from any particular chapter.
Common Mistakes to Avoid While Preparing Biology for NEET 2027
Avoiding these frequently made mistakes will definitely help candidates prepare better for their exams and utilise their time for studying Biology well.
Studying only the high-weightage chapters
Ignoring diagrams and tables from NCERT books
Just memorising the facts without knowing the concepts behind them
No practice of past year questions
Neglecting the chapters with few numbers of questions in past years
Not starting revision till the last few weeks
Not analysing their wrong answers
Using too many books together for studying
Depending only on predicted chapter-wise marks
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Frequently Asked Questions (FAQs)
Q: Where can I download the official NEET Biology weightage PDF?
A:
The NTA does not provide an official chapter-wise weightage PDF for NEET Biology. Students can follow the NEET syllabus and analyse the chapter-wise pattern and importance through NEET previous year question papers with solutions.
Q: Which chapters have the highest weightage in NEET Biology 2027?
A:
Some of the important chapters for NEET Biology 2027 include Molecular Basis of Inheritance, Biotechnology: Principles and Processes, Animal Kingdom, Human Health and Disease, and Human Reproduction. The students should go through these chapters thoroughly using NCERT books and solve previous year questions. However, the chapter-wise weightage may differ in the actual exam.
Q: How many questions come from Botany and Zoology in NEET Biology?
A:
Questions in NEET Biology total 90 and score 360 marks. These 90 questions will be divided into 45 for Botany and 45 for Zoology. However, this may vary in the exam paper pattern.
Q: Is the chapter-wise weightage the same every year?
A:
No, the weightage for the chapters in NEET varies from year to year. There could be variations regarding the number of questions asked from each chapter. Therefore, previous years' patterns should be followed for preparation; the complete syllabus should be covered by students.
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Popular NEET Questions
the product 'P' will be ,
Option: 1
Option: 2
Option: 3
Option: 4
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| A |
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| B |
b) Leads to formation of two daughter cells. |
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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
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64
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256
0xone is
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