| Chapter name | Download link |
| Chapter 1: REPRODUCTION IN ORGANISMS | Download |
| Chapter 2: SEXUAL REPRODUCTION IN FLOWERING PLANTS | Download |
| Chapter 3: HUMAN REPRODUCTION | Download |
| Chapter 4: REPRODUCTIVE HEALTH | Download |
| Chapter 5: PRINCIPLES OF INHERITANCE AND VARIATION | Download |
| Chapter 6: MOLECULAR BASIS OF INHERITANCE | Download |
| Chapter 7: EVOLUTION | Download |
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| Chapter 8: HUMAN HEALTH AND DISEASE | Download |
| Chapter 9: STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION | Download |
| Chapter 10: MICROBES IN HUMAN WELFARE | Download |
| Chapter 11: BIOTECHNOLOGY : PRINCIPLES AND PROCESSES | Download |
| Chapter 12: BIOTECHNOLOGY AND ITS APPLICATIONS | Download |
| Chapter 13: ORGANISMS AND POPULATIONS | Download |
| Chapter 14: ECOSYSTEM | Download |
| Chapter 15: BIODIVERSITY AND CONSERVATION | Download |
| Chapter 16: ENVIRONMENTAL ISSUES | Download |