Biology — Syllabus & Chapters

The complete syllabus for Biology — every chapter you need to study, and how the exam paper is structured.

What you will study (chapters)

Chapter 1: The Living World
Chapter 2: Biological Classification
Chapter 3: Plant Kingdom
Chapter 4: Animal Kingdom
Chapter 5: Morphology of Flowering Plants
Chapter 6: Anatomy of Flowering Plants
Chapter 7: Structural Organisation in Animals
Chapter 8: Cell: The Unit of Life
Chapter 9: Biomolecules
Chapter 10: Cell Cycle and Cell Division
Chapter 11: Transport, Mineral Nutrition and Photosynthesis in Plants
Chapter 12: Respiration in Plants and Plant Growth
Chapter 13: Digestion, Circulation, Excretion and Locomotion
Chapter 14: Neural and Chemical Coordination
Chapter 15: Reproduction in Organisms and Flowering Plants
Chapter 16: Human Reproduction and Reproductive Health
Chapter 17: Principles of Inheritance and Variation
Chapter 18: Molecular Basis of Inheritance
Chapter 19: Evolution
Chapter 20: Human Health and Disease
Chapter 21: Microbes in Human Welfare
Chapter 22: Biotechnology: Principles and Applications
Chapter 23: Organisms, Populations and Ecosystems
Chapter 24: Biodiversity and Conservation

Frequently asked questions

How many chapters are there in Biology?

The Biology syllabus has 24 chapters, listed in full above. Cover the high-weightage chapters first using the exam pattern as a guide.

How do I know which Biology chapters carry the most marks?

Compare the chapter list above with the exam pattern and the last few years of question papers — the topics that appear most often and the units with the highest marks are where to focus first. Always confirm weightage against the official syllabus for your exam year.

Has the Biology syllabus changed this year?

Boards occasionally revise the syllabus or remove topics for a session. Always download the official syllabus for your exact exam year from the official CET portal rather than relying on an older copy or a social-media list.