Class 11 Biology - NEET 2026 Chapter-wise Explanations
Master Class 11 Biology for NEET 2026. Access detailed chapter-wise NCERT explanations, diagrams, and MCQs for Botany and Zoology based on the rationalized syllabus.
Master Class 11 Biology for NEET 2026
Biology is the most crucial subject in NEET, making up exactly 50% of the paper (360 out of 720 marks). Class 11 Biology sets the foundation for understanding complex life processes, with high-weightage units like Human Physiology and Cell Biology. Below, you will find comprehensive, chapter-wise explanations, diagram breakdowns, and critical question-answers aligned with the latest rationalized NMC syllabus.
High-Weightage Target Units
- Human Physiology: 12-14 Questions
- Diversity of Living Organisms: 8-10 Questions
- Cell: Structure and Function: 6-8 Questions
Chapter-wise Study Modules
Select any chapter below to read the detailed theoretical explanations, understand NCERT diagrams, and solve important examples. (Note: Deleted chapters like Digestion & Absorption, Transport in Plants, and Mineral Nutrition have been removed).
| Ch. | Chapter Name | Key Topics | Action |
|---|---|---|---|
| 1 | The Living World | Taxonomy, Binomial Nomenclature, Taxonomical Aids | Read |
| 2 | Biological Classification | Five Kingdom Classification, Monera, Protista, Fungi, Viruses | Read |
| 3 | Plant Kingdom | Algae, Bryophytes, Pteridophytes, Gymnosperms, Angiosperms | Read |
| 4 | Animal Kingdom | Basis of Classification, Non-Chordates, Chordates | Read |
| 5 | Morphology of Flowering Plants | Root, Stem, Leaf, Inflorescence, Flower Families | Read |
| 6 | Anatomy of Flowering Plants | Plant Tissues, Dicot & Monocot Root, Stem, Leaf | Read |
| 7 | Structural Organisation in Animals | Animal Tissues, Morphology & Anatomy of Frog | Read |
| 8 | Cell: The Unit of Life | Prokaryotic/Eukaryotic Cells, Organelles, Nucleus | Read |
| 9 | Biomolecules | Proteins, Carbohydrates, Lipids, Nucleic Acids, Enzymes | Read |
| 10 | Cell Cycle and Cell Division | Mitosis, Meiosis, Significance of Cell Division | Read |
| 11 | Photosynthesis in Higher Plants | Light Reaction, Calvin Cycle, C3 & C4 Pathways | Read |
| 12 | Respiration in Plants | Glycolysis, Krebs Cycle, ETS, Amphibolic Pathway | Read |
| 13 | Plant Growth and Development | Plant Growth Regulators (Auxins, Gibberellins), Photoperiodism | Read |
| 14 | Breathing and Exchange of Gases | Respiratory Organs, Mechanism of Breathing, Gas Transport | Read |
| 15 | Body Fluids and Circulation | Blood, Lymph, Human Circulatory System, ECG | Read |
| 16 | Excretory Products and their Elimination | Human Excretory System, Urine Formation, Osmoregulation | Read |
| 17 | Locomotion and Movement | Types of Movement, Muscle, Skeletal System, Joints | Read |
| 18 | Neural Control and Coordination | Neuron, Central Nervous System, Reflex Action | Read |
| 19 | Chemical Coordination and Integration | Endocrine Glands, Hormones, Mechanism of Hormone Action | Read |
How to Score 340+ in NEET Biology?
Biology is considered the most scoring section, but the NTA has recently increased the difficulty by adding statement-based and assertion-reason questions. Here is the strategy:
- Read NCERT Line-by-Line: Nearly 95% of questions come directly from the NCERT textbook. Read the chapters multiple times until you can recall the exact page a concept is from.
- Focus on Summaries & Diagrams: Do not skip the chapter summaries, introduction pages of units, or the labels on diagrams. NTA frequently creates questions directly from diagram labels.
- Practice Assertion-Reasoning: Simple factual questions are becoming rare. Practice complex matching type, statement I & II, and Assertion-Reason type questions to ensure your conceptual clarity is 100%.
Frequently Asked Questions
Yes, NCERT is considered the absolute 'Bible' for NEET Biology. Around 85-90 out of 90 questions are framed directly from the text, diagrams, and summaries of the NCERT Class 11 and 12 books.
Human Physiology is highly crucial and carries the most weightage. Following that, Diversity in the Living World and Cell Structure & Function are heavily tested by the NTA.
Yes. In alignment with the rationalized NCERT textbooks, chapters like Digestion and Absorption, Transport in Plants, and Mineral Nutrition have been removed from the core syllabus.
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