Biology Chapter wise Weightage For NEET 2025
Biology Chapter Wise Weightage for NEET 2025 helps candidates understand how marks are distributed in different chapters in Botany and Zoology. Biology carries 90 questions (360 marks) — equally divided between both sections - making it the most important subject for NEET for the students. High-weightage chapters like Molecular Basis of Inheritance, Human Physiology, Animal Kingdom, and Biotechnology contribute significantly to the score.
Knowing the NEET Biology marks distribution 2025 helps students to prioritize important topics, manage study time efficiently, and improve accuracy in high-yield areas, ultimately boosting their chances of securing top ranks in NEET 2025.
Importance of Knowing Biology Chapter Wise Weightage for NEET 2025
Biology accounts for 50% of the total NEET marks, with 90 questions (360 marks) equally divided between Botany and Zoology. By understanding the Biology weightage for NEET 2025, students can focus more on high-weightage chapters and manage their time better.
This strategic approach ensures you do not waste time on chapters that have low weightage and can strengthen your command of topics that frequently appear in exams.
NEET Biology Marks Distribution 2025
NEET Biology Marks Distribution 2025 highlights how marks are divided between Botany and Zoology, helping students focus on key areas.
Biology consists of 90 questions in the NEET exam, carrying 360 marks in total. Check the table below to understand the detailed distribution of questions and marks for effective NEET 2025 preparation.
|
NEET Biology Marks Distribution 2025 |
||
|---|---|---|
|
Section |
Total Questions |
Marks |
|
Botany |
45 |
180 |
|
Zoology |
45 |
180 |
|
Total (Biology) |
90 |
360 |
The table above makes it clear why understanding the NEET Biology marks distribution is important for achieving a high score. Also, note that always prepare according the the weightage of the topic in the exam.
Most Weightage Chapters for NEET Biology 2025
Some chapters consistently carry high weightage in NEET. These include:
-
Molecular Basis of Inheritance
-
Animal Kingdom
-
Biotechnology: Principles and Processes
-
Human Physiology
-
Cell Cycle and Cell Division
These are considered the highest weightage chapters in NEET 2025 Biology and form the foundation for 30–40% of total Biology marks.
Botany Weightage for NEET 2025
The Botany weightage for NEET 2025 covers important topics like Genetics, Plant Physiology, and Ecology, which form a major part of the Biology section. Understanding Botancy chapter-wise marks distribution for NEET 2025 helps focus on high-scoring areas. Check the detailed Botany chapter-wise weightage table below to plan your NEET 2025 preparation effectively.
|
Botany Weightage for NEET 2025 |
||
|---|---|---|
|
Chapters/Topics (Botany) |
Average No. of Questions |
Weightage (%) |
|
Molecular Basis of Inheritance |
6 |
14% |
|
Principles of Inheritance and Variation |
5 |
10% |
|
Cell Cycle and Cell Division |
4 |
9% |
|
Anatomy of Flowering Plants |
3 |
7% |
|
Plant Kingdom |
3 |
7% |
|
Morphology of Flowering Plants |
3 |
6% |
|
Plant Growth and Development |
3 |
6% |
|
Biodiversity and Conservation |
2 |
4% |
|
Photosynthesis in Higher Plants |
2 |
4% |
|
Respiration in Plants |
2 |
4% |
|
Ecosystem |
2 |
4% |
|
Microbes in Human Welfare |
2 |
4% |
|
Organisms and Populations |
2 |
4% |
|
Biological Classification |
1 |
3% |
|
The Living World |
0 |
1% |
Note - If you are wondering how many questions come from the Plant Kingdom in NEET, it’s typically 3 questions, accounting for around 7% of total Botany marks.
Plant Physiology Weightage in NEET
The plant physiology weightage in NEET 2025 (topics like Photosynthesis, Respiration, and Plant Growth) generally covers 10–12% of the total Biology section. These are concept-based and can be scored if your fundamentals are strong.
Zoology Chapters for NEET 2025
The Zoology chapters for NEET 2025 include important topics like Human Physiology, Animal Kingdom, Reproduction, and Biotechnology, which carry significant marks. Knowing their weightage helps you focus on high-yield areas for better results. Check the detailed Zoology chapter-wise weightage table below to prepare strategically for NEET 2025.
|
Zoology Chapters for NEET 2025 |
||
|---|---|---|
|
Chapters/Topics (Zoology) |
Average No. of Questions |
Weightage (%) |
|
Animal Kingdom |
7 |
13% |
|
Biotechnology – Principles and Processes |
6 |
12% |
|
Biomolecules |
5 |
10% |
|
Reproductive Health |
4 |
8% |
|
Structural Organisation in Animals |
4 |
8% |
|
Human Reproduction |
3 |
6% |
|
Body Fluids and Circulation |
2 |
5% |
|
Excretory Products and Their Elimination |
2 |
5% |
|
Human Physiology (aggregate) |
10–12 |
~20% |
If you are wondering how many questions come from Animal Kingdom in NEET, it’s usually around 6–7 questions, contributing to 13% of the total Biology marks. Similarly, the human physiology weightage in NEET 2025 is one of the highest, making it a must-study unit.
Preparation Tips for NEET Biology Preparation 2025
Preparing for NEET Biology 2025 requires a smart strategy and consistent revision. Focus on NCERT-based concepts, high-weightage chapters, and regular mock tests to boost accuracy. Strengthen both Botany and Zoology through concept clarity and practice. Check the detailed preparation tips below to maximize your Biology score in NEET 2025:
1. Prioritize High-Weightage NEET Chapters
Focus more on NEET Biology high-weightage chapters like Human Physiology, Molecular Basis of Inheritance, Animal Kingdom, and Biotechnology.
These topics contribute to nearly 40–50% of the total Biology marks. Cover them thoroughly before moving to lesser-weighted topics.
2. Stick to NCERT Books for NEET Revision
NCERT Biology books (Class 11 and 12) are the main resource for NEET. Almost 80–85% of Biology questions come directly or indirectly from NCERT.
Read every line carefully, highlight important points, and revise NCERT diagrams regularly. If any student has done the NCERT Books properly, then most probably he/she has better preparation.
3. Make Short Notes for Revision
Prepare concise notes for each chapter - especially definitions, diagrams, and examples. These quick notes will help you revise efficiently during the last few weeks before the exam.
4. Practice Previous Year Questions
Solve at least the last 10 years’ NEET Biology questions to understand question trends and repeated concepts. This helps identify the most weightage chapters for NEET Biology and strengthens exam readiness.
5. Focus on Conceptual Clarity
Understand biological processes instead of rote memorization. For example, when studying Plant Physiology or Human Physiology, visualize how each system functions. This makes it easier to tackle application-based and assertion-reason questions.
6. Revise Diagrams and Labeling
Diagrams from NCERT carry high importance. Questions often test labeling or structural identification from chapters like Animal Kingdom, Plant Morphology, and Anatomy of Flowering Plants. Revise them frequently. Diagrams always help in better preparation as they somehow develop interest and make a child learn in a better way.
7. Take Mock Tests Regularly
Attempt full-length NEET mock tests and topic-wise tests to simulate the real exam environment. Analyze your mistakes, track progress, and work on weaker areas after every test.
8. Use Flashcards for Quick Recall
Create or use ready-made flashcards for topics like Biological Classification, Biomolecules, and Ecology. They are great for daily quick revisions and memory reinforcement.
Biology Chapter Wise Weightage for NEET FAQs
Q: What is the NEET Biology Chapter Wise Weightage 2025?
Ans: NEET Biology Chapter Wise Weightage 2025 shows how marks are distributed across different Biology chapters. By focusing on high-weightage chapters, students can maximize their NEET score effectively.
Q: Which are the most weightage chapters for NEET Biology 2025?
Ans: The most weightage chapters for NEET Biology include Human Physiology, Molecular Basis of Inheritance, Animal Kingdom, Plant Physiology, and Biotechnology. These topics form nearly 50% of the NEET Biology marks distribution, making them essential for strong preparation.
Q: What is the Botany Weightage for NEET 2025?
Ans: Botany weightage for NEET 2025 mainly comes from Genetics, Ecology, Plant Physiology, and Morphology. Chapters like Molecular Basis of Inheritance and Plant Kingdom have a higher number of questions each year.
Q: What is the Zoology Chapter Weightage for NEET 2025?
Ans: Zoology chapters for NEET 2025 with high weightage include Human Physiology, Reproductive Health, Animal Kingdom, and Biotechnology. Around 45 questions in Biology come from Zoology, and understanding their chapter-wise weightage helps prioritize preparation efficiently.
Q: How many questions come from the Plant and Animal Kingdom in NEET?
Ans: In NEET, around 3 questions come from the Plant Kingdom and 6–7 from the Animal Kingdom every year.
Q: What is the Human Physiology and Molecular Basis of Inheritance Weightage in NEET?
Ans: Human Physiology weightage in NEET 2025 is around 20%, while the Molecular Basis of Inheritance weightage in NEET is approximately 14%.
