2.SEXUAL REPRODUCTION IN FLOWERING PLANTS 3 HUMAN REPRODUCTION 4. REPRODUCTIVE HEALTH 5. PRINCIPLES OF INHERITANCE AND VARIATION 6. MOLECULAR BASIS OF INHERITANCE 7. EVOLUTION 8. HUMAN HEALTH AND DISEASE 10. Microbes in Human Welfare 11. BIOTECHNOLOGY AND ITS APPLICATIONS 12. BIOTECHNOLOGY PRINCIPLES AND PROCESSES 13. ORGANISMS AND POPULATIONS 14. ECOSYSTEMS 15. BIODIVERSITY AND CONSERVATION