NCERT Solutions for Class 11 Biology (2026–27)
NCERT Solutions for Class 11 Biology on ClearStudy cover all 19 chapters of the CBSE Class 11 Biology textbook for the 2026–27 session. Every exercise question is answered clearly by subject experts, with diagrams explained, key terms defined and exam-ready points — so you can understand each concept and revise the complete Class 11 Biology course from one place.
About Class 11 Biology
Class 11 Biology introduces the diversity of living organisms and the structure and function of plants and animals. The course covers classification, morphology and anatomy, cell biology, plant physiology and human physiology — the foundation for Class 12 and for medical entrance exams like NEET. Our NCERT Solutions for Class 11 Biology follow the official textbook exactly — the same chapters, the same exercises and the same question order — with clear, well-organised answers.
Class 11 Biology – All Chapters
Here are the 19 chapters of Class 11 Biology. Click any chapter to open its detailed NCERT solutions.
| # | Chapter | What it covers |
|---|---|---|
| 1 | The Living World | What defines living things, diversity of life, nomenclature and taxonomy. |
| 2 | Biological Classification | Five-kingdom classification — Monera, Protista, Fungi, Plantae and Animalia. |
| 3 | Plant Kingdom | Classification of plants — algae, bryophytes, pteridophytes and seed plants. |
| 4 | Animal Kingdom | Classification of animals and the basis of grouping invertebrates and chordates. |
| 5 | Morphology of Flowering Plants | External structure of root, stem, leaf, flower, fruit and seed. |
| 6 | Anatomy of Flowering Plants | Internal tissues and tissue systems of plants and their organisation. |
| 7 | Structural Organisation in Animals | Animal tissues and the body organisation of representative animals. |
| 8 | Cell: The Unit of Life | Cell theory, prokaryotic and eukaryotic cells and cell organelles. |
| 9 | Biomolecules | Carbohydrates, proteins, lipids, nucleic acids and enzymes. |
| 10 | Cell Cycle and Cell Division | Phases of the cell cycle, mitosis and meiosis. |
| 11 | Photosynthesis in Higher Plants | Light and dark reactions, photophosphorylation and the C3/C4 pathways. |
| 12 | Respiration in Plants | Glycolysis, the Krebs cycle, electron transport and energy yield. |
| 13 | Plant Growth and Development | Growth, differentiation, plant hormones and photoperiodism. |
| 14 | Breathing and Exchange of Gases | Human respiratory system, breathing and transport of gases. |
| 15 | Body Fluids and Circulation | Blood, lymph, the heart and the circulatory system. |
| 16 | Excretory Products and Their Elimination | Human excretory system, urine formation and its regulation. |
| 17 | Locomotion and Movement | Types of movement, muscles, the skeletal system and joints. |
| 18 | Neural Control and Coordination | Nervous system, neurons, the brain and reflex action. |
| 19 | Chemical Coordination and Integration | Endocrine glands, hormones and their role in coordination. |
Chapter solution pages are being added — links go live as each chapter is published.
What you get in every Class 11 Biology solution
How to score full marks in Class 11 Biology
Read the chapter in your textbook, then study our answers and the labelled diagrams carefully. Write definitions precisely, learn examples for each class of organism, and revise diagrams by drawing them yourself. Revising one chapter a week keeps the whole Class 11 Biology syllabus under control.
FAQs – NCERT Solutions for Class 11 Biology
How many chapters are there in Class 11 Biology?
Class 11 Biology has 19 chapters, from The Living World to Chemical Coordination and Integration.
Are these Class 11 Biology solutions useful for NEET?
Yes. Class 11 Biology is a major part of the NEET syllabus, and these NCERT-based answers build the strong foundation NEET needs.
Are these Class 11 Biology solutions free?
Yes. All NCERT Solutions for Class 11 Biology on ClearStudy are free and follow the official NCERT textbook from ncert.nic.in.