Class 12 Biology Syllabus

CBSE Syllabus is a valuable study material, consisting of relevant information as per the learning demands of the students and is generally designed scientifically to make students more familiar with the subjects that they need to study in every class. CBSE Syllabus for Class 12 Biology is structured from the chapters in NCERT Class 12 Biology book. CBSE is known to be among the most reputed boards, and the experts at BYJU’S the learning app strives to bring online syllabus of CBSE Class 12 Biology.

CBSE Class 12 Biology is given below:

  • Reproduction in Organisms
  • Sexual Reproduction in Flowering Plants
  • Human Reproduction
  • Reproductive Health
  • Principles of Inheritance and Variation
  • Molecular Basis of Inheritance
  • Evolution
  • Human Health and Disease
  • Strategies for Enhancement in Food Production
  • Microbes in Human Welfare
  • Biotechnology: Principles and Processes
  • Biotechnology and its Applications
  • Organisms and Populations
  • Ecosystem
  • Biodiversity and Conservation
  • Environmental Issues

Chapter 1:

Reproduction in Organisms

1.1 Asexual Reproduction

1.2 Sexual Reproduction

Chapter 2:

Sexual Reproduction in Flowering Plants

1.1 Prefertilisation: Structures and Events

1.2 Pollination

1.3 Double Fertilisation, Post Fertilisation: Structures and Events

Chapter 3:

Human Reproduction

1.1 Male and Female Reproductive System

1.2 Gametogenesis and Menstrual Cycle

1.3 Fertilisation, Embryonic Development and Parturition

Chapter 4:

Reproductive Health

1.1 Population Explosion and Birth Control

1.2 Sexually Transmitted Diseases and Infertility

Chapter 5:

Principles of Inheritance and Variation

1.1 Mendel’s Laws of Inheritance

1.2 Chromosomal Theory of Inheritance, Linkage and Recombination, Sex Determination

1.3 Mutations and Genetic Disorders

Chapter 6:

Molecular Basis of Inheritance

1.1 DNA, RNA and Experiments on Genetic Material

1.2 DNA Replication

1.3 Transcription, Genetic Code and Types of RNA

1.4 Translation and Regulation of Gene Expression

1.5 Human Genome Project and DNA Fingerprinting

Chapter 7:


1.1 Origin of Life

1.2 Theories of Evolution

1.3 Mechanism of Evolution

1.4 Palaeontology and Human Evolution

Chapter 8:

Human Health and Disease

1.1 Diseases in Humans and Immunity

1.2 AIDS and Cancer

1.3 Alcohol and Drug abuse

Chapter 9:

Strategies for Enhancement in Food Production

1.1 Animal Husbandry

1.2 Plant Breeding

1.3 Single Cell Protein and Tissue Culture

Chapter 10:

Microbes in Human Welfare

1.1 Microbes: Household Products, Industrial Products and Sewage Treatment

1.2 Microbes: Biogas, Biocontrol Agents and Biofertilisers

Chapter 11:

Biotechnology: Principles and Processes

1.1 Tools of Recombinant DNA Technology

1.2 Processes of Recombinant DNA Technology

Chapter 12:

Biotechnology and its Applications

1.1 Biotechnological Applications in Agriculture and Medicine

1.2 Transgenic Organisms and Ethical Issues in Biotechnology

Chapter 13:

Organisms and Populations

1.1 Organism and its Environment

1.2 Population: Attributes and Growth

1.3 Population Interactions

Chapter 14:


1.1 Structure and Requirements of Ecosystem

1.2 Energy Flow and Ecological Pyramids

1.3 Ecological Succession and Biogeochemical Cycles

Chapter 15:

Biodiversity and Conservation

1.1 Biodiversity and its Importance

1.2 Conservation of Biodiversity

Chapter 16:

Environmental Issues

1.1 Air and Water Pollution and their Control

1.2 Solid wastes, Agrochemicals and Radioactive Wastes.

1.3 Greenhouse Effect, Ozone Depletion and Deforestation

Practise This Question

Which of the following is a reflex action?