NEET Biology Syllabus 2026

Complete chapter-wise Biology syllabus for NEET 2026 with topic weightage, important chapters, and preparation strategy based on NCERT Class 11 & 12.

100 Questions
400 Marks
Botany + Zoology

Botany

50 Questions

200 Marks (45 to attempt)

Zoology

50 Questions

200 Marks (45 to attempt)

Class 11

40-45%

Weightage in NEET

Class 12

55-60%

Weightage in NEET

High Weightage Chapters - Focus These First

ChapterSubjectExpected QuestionsPriority
Principles of Inheritance & VariationGenetics8-10Very High
Molecular Basis of InheritanceGenetics5-7Very High
Human Physiology (All)Zoology20-25Very High
Plant Physiology (All)Botany12-15High
Ecology (All)Botany10-12High
Cell BiologyBoth8-10High
Sexual Reproduction in PlantsBotany5-6High
Human ReproductionZoology5-6High

Class 11 Botany Syllabus

Plant Biology from NCERT Class 11

Unit 1: Diversity in Living World

The Living World
Weightage: 2-3%2-3 Qs
Biological Classification
Weightage: 3-4%3-4 Qs
Plant Kingdom
Weightage: 4-5%4-5 Qs

Unit 2: Structural Organisation in Plants

Morphology of Flowering Plants
Weightage: 4-5%4-5 Qs
Anatomy of Flowering Plants
Weightage: 3-4%3-4 Qs

Unit 3: Cell Structure and Function

Cell: The Unit of Life
Weightage: 4-5%4-5 Qs
Biomolecules
Weightage: 3-4%3-4 Qs
Cell Cycle and Cell Division
Weightage: 3-4%3-4 Qs

Unit 4: Plant Physiology

Transport in Plants
Weightage: 2-3%2-3 Qs
Mineral Nutrition
Weightage: 2-3%2-3 Qs
Photosynthesis in Higher Plants
Weightage: 4-5%4-5 Qs
Respiration in Plants
Weightage: 2-3%2-3 Qs
Plant Growth and Development
Weightage: 2-3%2-3 Qs

Class 12 Botany Syllabus

Plant Biology from NCERT Class 12

Unit 5: Reproduction

Sexual Reproduction in Flowering Plants
Weightage: 5-6%5-6 Qs

Unit 6: Genetics and Evolution

Principles of Inheritance and Variation
Weightage: 6-8%6-8 Qs
Molecular Basis of Inheritance
Weightage: 5-6%5-6 Qs

Unit 7: Biology and Human Welfare

Strategies for Enhancement in Food Production
Weightage: 2-3%2-3 Qs
Microbes in Human Welfare
Weightage: 2-3%2-3 Qs

Unit 8: Biotechnology

Biotechnology: Principles and Processes
Weightage: 3-4%3-4 Qs
Biotechnology and Its Applications
Weightage: 2-3%2-3 Qs

Unit 9: Ecology

Organisms and Populations
Weightage: 3-4%3-4 Qs
Ecosystem
Weightage: 3-4%3-4 Qs
Biodiversity and Conservation
Weightage: 2-3%2-3 Qs
Environmental Issues
Weightage: 2-3%2-3 Qs

Class 11 Zoology Syllabus

Animal Biology from NCERT Class 11

Unit 1: Diversity in Living World

Animal Kingdom
Weightage: 5-6%5-6 Qs

Unit 2: Structural Organisation in Animals

Structural Organisation in Animals
Weightage: 3-4%3-4 Qs

Unit 3: Cell Structure and Function

Cell: The Unit of Life
Weightage: (Covered in Botany)
Biomolecules
Weightage: (Covered in Botany)
Cell Cycle and Cell Division
Weightage: (Covered in Botany)

Unit 4: Human Physiology

Digestion and Absorption
Weightage: 3-4%3-4 Qs
Breathing and Exchange of Gases
Weightage: 2-3%2-3 Qs
Body Fluids and Circulation
Weightage: 3-4%3-4 Qs
Excretory Products and Their Elimination
Weightage: 3-4%3-4 Qs
Locomotion and Movement
Weightage: 3-4%3-4 Qs
Neural Control and Coordination
Weightage: 4-5%4-5 Qs
Chemical Coordination and Integration
Weightage: 3-4%3-4 Qs

Class 12 Zoology Syllabus

Animal Biology from NCERT Class 12

Unit 5: Reproduction

Reproduction in Organisms
Weightage: 2-3%2-3 Qs
Human Reproduction
Weightage: 5-6%5-6 Qs
Reproductive Health
Weightage: 2-3%2-3 Qs

Unit 6: Genetics and Evolution

Principles of Inheritance and Variation
Weightage: (Covered in Botany)
Molecular Basis of Inheritance
Weightage: (Covered in Botany)
Evolution
Weightage: 3-4%3-4 Qs

Unit 7: Biology and Human Welfare

Human Health and Disease
Weightage: 4-5%4-5 Qs

NEET Biology Preparation Strategy

1

Master NCERT First

Read NCERT line by line. Highlight important terms, diagrams, and flowcharts. 95% of questions come directly from NCERT.

2

Focus High-Weightage

Prioritize Human Physiology, Genetics, Plant Physiology, and Ecology. These chapters alone contribute 60% of Biology marks.

3

Practice MCQs Daily

Solve 50-100 MCQs daily. Focus on previous year questions and take full-length mock tests weekly.

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Frequently Asked Questions - NEET Biology Syllabus

What is the NEET Biology syllabus 2026?

NEET Biology syllabus 2026 covers Class 11 and Class 12 NCERT Biology. It includes Botany (Plant Biology) and Zoology (Animal Biology) with 90 questions worth 360 marks. Key topics include Human Physiology, Plant Physiology, Genetics, Ecology, Cell Biology, and Reproduction.

How many questions come from Biology in NEET?

In NEET, 90 questions come from Biology section - 45 from Botany and 45 from Zoology. Total marks for Biology is 360 (out of 720 total).

Which chapters are most important for NEET Biology 2026?

Most important chapters for NEET Biology include: Human Physiology (20-25 questions), Genetics (12-15 questions), Ecology (10-12 questions), Cell Biology (8-10 questions), Plant Physiology (12-15 questions), and Reproduction (10-12 questions).

Is NCERT enough for NEET Biology 2026?

Yes, NCERT is absolutely sufficient for NEET Biology. About 95% of questions are directly from NCERT textbooks. Read NCERT line by line, understand diagrams, and memorize important terms. Supplement with previous year questions for practice.

What is the weightage of Class 11 vs Class 12 in NEET Biology?

In NEET Biology, Class 12 has slightly higher weightage (approximately 55-60%) compared to Class 11 (40-45%). Key Class 12 chapters like Genetics, Human Reproduction, and Human Health carry more marks.

How to prepare Biology for NEET 2026?

For NEET Biology 2026: 1) Read NCERT thoroughly (line by line), 2) Make notes with diagrams, 3) Focus on high-weightage chapters first, 4) Solve previous year questions, 5) Take regular mock tests, 6) Revise frequently especially for terminology.

Is there any change in NEET Biology syllabus 2026?

As per current information, NEET Biology syllabus 2026 remains based on NCERT Class 11 and 12. Any syllabus changes will be announced by NTA in the official notification. Check the official NTA website for updates.

How to score 340+ in NEET Biology?

To score 340+ in NEET Biology: 1) Master NCERT completely, 2) Focus on Human Physiology and Genetics, 3) Practice 10,000+ MCQs, 4) Learn all diagrams and flowcharts, 5) Memorize scientific names and terminology, 6) Attempt all previous year papers.