NEET Biology

NCERT Line-by-Line · Botany · Zoology · Assertion-Reason

Biology is the most important subject in NEET with 50% weightage. This page provides complete NCERT line-by-line coverage for Botany and Zoology — including assertion-reason questions, diagrams, mnemonics, and previous year questions.

            📘 NCERT-first approach: 90% of NEET Biology questions come directly from NCERT. Read every line, memorize every diagram, and practice with our assertion-reason questions.
        

NEET Biology Chapter-wise Coverage

Branch	Chapters (NCERT)	Weightage
Botany	Diversity (Plant Kingdom), Cell Biology, Plant Physiology, Genetics & Evolution, Ecology & Environment, Biotechnology	~50%
Zoology	Diversity (Animal Kingdom), Human Physiology, Reproduction, Genetics, Evolution, Ecology & Environment	~50%

NCERT Biology Textbooks

📚 NCERT Official Links: Click any chapter to view/download directly from the official NCERT website. All books are provided by NCERT (National Council of Educational Research and Training).

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Class 11 Biology

Part 1 & 2

NCERT Biology Textbook for Class 11 — Complete book. Click any chapter to open on NCERT website.

Unit 1: Diversity in Living World

Complete Book Ch 1: The Living World Ch 2: Biological Classification Ch 3: Plant Kingdom Ch 4: Animal Kingdom

Unit 2: Structural Organization

Ch 5: Morphology of Flowering Plants Ch 6: Anatomy of Flowering Plants Ch 7: Structural Organisation in Animals

Unit 3: Cell Structure & Function

Ch 8: Cell: The Unit of Life Ch 9: Biomolecules Ch 10: Cell Cycle & Cell Division

Unit 4: Plant Physiology

Ch 11: Transport in Plants Ch 12: Mineral Nutrition Ch 13: Photosynthesis Ch 14: Respiration in Plants Ch 15: Plant Growth & Development

Official NCERT

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Class 12 Biology

Part 1 & 2

NCERT Biology Textbook for Class 12 — Complete book. Click any chapter to open on NCERT website.

Unit 5: Human Physiology

Complete Book Ch 16: Digestive System Ch 17: Breathing & Exchange Ch 18: Body Fluids Ch 19: Excretory Products Ch 20: Locomotion & Movement Ch 21: Neural Control Ch 22: Chemical Coordination

Unit 6: Reproduction

Complete Book Ch 1: Reproduction in Organisms Ch 2: Sexual Reproduction in Plants Ch 3: Human Reproduction Ch 4: Reproductive Health

Unit 7: Genetics & Evolution

Ch 5: Principles of Inheritance Ch 6: Molecular Basis of Inheritance Ch 7: Evolution

Unit 8: Ecology & Environment

Ch 8: Human Health & Disease Ch 9: Strategies for Enhancement Ch 10: Microbes in Human Welfare Ch 11: Biotechnology Principles Ch 12: Biotechnology Applications Ch 13: Organisms & Populations Ch 14: Ecosystem Ch 15: Biodiversity & Conservation

Official NCERT

Biology Study Resources

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Assertion-Reason Questions

Curated A-R questions from every chapter with detailed solutions.

View A-R Questions 100+ Questions

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Formula Sheet

Important formulas, key terms, and quick revision for Biology.

View Formula Sheet Free PDF

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Mock Tests

Biology-specific mock tests with performance analysis.

Start Mock Test 10+ Tests

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Diagrams & Flowcharts

All important NCERT diagrams with labels and explanations.

Coming Soon PDF Download

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Mnemonics & Shortcuts

Memory tricks to remember difficult terms and concepts.

Coming Soon PDF Download

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Previous Year Questions

NEET Biology PYQs (2018-2025) with topic-wise segregation.

Coming Soon 800+ Questions

NCERT Official Website Assertion-Reason Start Mock Test Formula Sheet