12th Biology Book - Summary
12th Biology Book helps students understand the important concepts of life and living organisms. It explains how plants, animals, and human beings function. The book covers topics like reproduction, genetics, evolution, biotechnology, and ecology in a simple and clear way. These chapters help students build a strong base for higher studies in medical and science fields.
NCERT Class 12 Biology Book: Download Chapter-wise PDF
There are a total of 13 chapters within 5 units in the textbook:
| Unit-VI Reproduction | Chapter-1: Sexual Reproduction in Flowering Plants |
| Chapter-2: Human Reproduction | |
| Chapter-3: Reproductive Health | |
| Unit-VII Genetics and Evolution | Chapter-4: Principles of Inheritance and Variation |
| Chapter-5: Molecular Basis of Inheritance | |
| Chapter-6: Evolution | |
| Unit-VIII Biology and Human Welfare | Chapter-7: Human Health and Diseases |
| Chapter-8: Microbes in Human Welfare | |
| Unit-IX Biotechnology and its Applications | Chapter-9: Biotechnology – Principles and Processes |
| Chapter-10: Biotechnology and its Applications | |
| Unit-X Ecology and Environment | Chapter-11: Organisms and Populations |
| Chapter-12: Ecosystem | |
| Chapter-13: Biodiversity and Its Conservation |
