NCERT Class 12 · Subject workspace
Biology, chapter by chapter.
Prepare Class 12 Biology with diagram-led revision, process clarity, and exam-ready answers. Use this page as your syllabus map: choose the chapter on your desk, understand the core idea, then practise the exact skill that needs work.
Your syllabus at a glance
What you will cover
10
Chapters
29
Core skills
3
Study modes
10 chapter guides
Class 12 Biology, chapter by chapter
Choose the chapter being taught at school. Each guide shows the ideas to master, the mistakes to watch, and the questions to practise next.
10
Chapters
29
Core skills
30
Study resources
100%
NCERT mapped
Sexual Reproduction in Flowering Plants
Understand flower structure, pollination, fertilisation, seeds, and fruits.
Human Reproduction
Study reproductive systems, gametogenesis, menstrual cycle, and fertilisation.
Reproductive Health
Learn contraception, STIs, infertility, and reproductive health programmes.
Principles of Inheritance and Variation
Use Mendelian genetics, linkage, sex determination, and pedigree ideas.
Molecular Basis of Inheritance
Understand DNA, replication, transcription, translation, and regulation.
Evolution
Study origin of life, evidence, mechanisms, and human evolution.
Human Health and Disease
Learn immunity, diseases, pathogens, cancer, and drugs.
Microbes in Human Welfare
Understand microbes in food, medicine, sewage, and biogas.
Biotechnology: Principles and Processes
Study recombinant DNA, tools, vectors, and processes.
Organisms and Populations
Learn populations, interactions, adaptations, and ecology terms.
How to study Class 12 Biology
A method students can repeat in every chapter
Turn each process into an ordered flow with inputs, stages, and outcomes.
Practise labelled diagrams and the NCERT terms that earn precision marks.
Compare similar structures or processes in a two-column format.
Use closed-book recall before checking what was missed.