NEET Biology chapter wise weightage 2025 must be understood well by the candidates preparing for the exam. The high weightage chapters in Biology are Human Physiology, Plant Physiology, Human Reproduction and Reproductive Health, Plant Diversity, and Animal Kingdom among others.
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The chapters with highest weightage in Botany include Genetics and Evolution, Ecology and Environment, and Plant Physiology, and in Zoology include Human Physiology, Animal Kingdom, and Human Reproduction and Reproductive Health.
The NEET 2025 is to be scheduled for May 4, 2025. The NEET exam is a medical entrance examination that is conducted every year. It is crucial for the candidates to understand the NEET biology chapter wise weightage 2025 to excel in the exam.
The candidates preparing for NEET 2025 must be aware of chapter wise weightage of the subjects. The Biology section in the NEET exam consists of two parts - Botany and Zoology. The Botany and Zoology sections will have 180 marks each. The candidates must pay special attention to the high weightage chapters while preparing for NEET 2025 examination.
The PDF links for NEET Biology chapter wise weightage 2025 have been provided below:
| Subject | Section | PDF Link |
| Biology | Botany | Download Now |
| Zoology | Download Now |
Also Read: NEET Difficulty Level 2025 - What to Expect?
NEET Biology Chapter Wise Weightage 2025
Biology is bifurcated into Botany and Zoology sections in the NEET examination. Both the Botany as well as Zoology sections are allotted 180 marks each. Each of the papers - Botany and Zoology - is divided into sections A and B, where Section A consists of 35 questions and Section B consists of 15 questions. Section A is compulsory while 10 questions are to be attempted from Section B.
NEET 2025 Chapter Wise Weightage in Botany
The important chapters in Botany include Genetics and Evolution, Ecology and Environment, Plant Physiology, Plant Diversity, and others. The chapter wise weightage for Botany has been shared below:
| Chapters | Weightage | Number of Questions |
| Genetics and Evolution | 24% | 15 |
| Ecology and Environment | 16% | 10 |
| Plant Physiology | 13% | 8 |
| Plant Diversity | 12% | 7 |
| Cell Structure and Function | 10% | 6 |
| Plant Reproduction | 9% | 5 |
| Morphology of Flowering Plants | 7% | 4 |
| Plant Anatomy | 4% | 2 |
| Bio-molecule | 3% | 2 |
Also Read: Do or Die Chapters for NEET 2025
NEET 2025 Chapter Wise Weightage in Zoology
The important chapters in Zoology include Human Physiology, Human Reproduction and Reproductive Health, Animal Kingdom, and Origin and Evolution among others. The chapter wise weightage for Zoology has been shared below:
| Chapters | Weightage | Number of Questions |
| Human Physiology | 45% | 13 |
| Human Reproduction and Reproductive Health | 18% | 5 |
| Animal Kingdom | 10% | 3 |
| Origin and Evolution | 10% | 3 |
| Human Health and Diseases | 9% | 3 |
| Structural Organization in Animals | 5% | 2 |
| Animal Husbandry | 3% | 1 |
| Biology and Human Welfare | 2% | 1 |
Also Check: NEET Deleted Syllabus 2025: Know Reduced Chapters
NEET Biology Syllabus 2025
The NEET syllabus 2025 for Biology is divided into Botany and Zoology sections, each consisting of 180 marks. The syllabus has been shared below:
Botany
- Genetics and Evolution
- Ecology and Environment
- Plant Physiology
- Plant Diversity
- Cell Structure and Function
- Plant Reproduction
- Morphology of Flowering Plants
- Plant Anatomy
- Bio-molecule
Zoology
- Human Physiology
- Human Reproduction and Reproductive Health
- Animal Kingdom
- Origin and Evolution
- Human Health and Diseases
- Structural Organization in Animals
- Animal Husbandry
- Biology and Human Welfare
Also Read: How to Crack NEET Exam 2025? - Preparation Tips, Strategy
NEET Exam Pattern 2025
The candidates preparing for the NEET 2025 examination must be aware of the NEET exam pattern 2025. The exam pattern has been shared below:
| Particulars | Details |
| Examination Mode | Offline |
| Examination Duration | 3 hours |
| Question Pattern | Multiple Choice Questions (MCQ) |
| Number of Questions | 180 |
| Subjects | Physics, Chemistry, Biology (Botany + Zoology) |
| Total Marks | 720 |
| Marking Scheme | +4 marks for each correct answer; -1 mark for each incorrect answer |
Also Read: What is a Good Rank in NEET UG 2025?
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