Std 12 – NCERT Text Book REPRODUCTION IN ORGANISMS → REPRODUCTION IN ORGANISMS REPRODUCTIVE HEALTH → Laws of Motion EVOLUTION → EVOLUTION MICROBES IN HUMAN WELFARE → MICROBES IN HUMAN WELFARE ECOSYSTEM → ECOSYSTEM SEXUAL REPRODUCTION IN FLOWERING PLANTS → SEXUAL REPRODUCTION IN FLOWERING PLANTS PRINCIPLE OF INHERITANCE AND VARIATION → PRINCIPLE OF INHERITANCE AND VARIATION HUMAN HEALTH AND DISEASES → HUMAN HEALTH AND DISEASES BIOTECHNOLOGY PRINCIPLES AND PROCESSEST → BIOTECHNOLOGY PRINCIPLES AND PROCESSEST BIODIVERSITY AND CONSERVATION → BIODIVERSITY AND CONSERVATION HUMAN REPRODUCTION → HUMAN REPRODUCTION MOLECULAR BASIS OF INHERITANCE → MOLECULAR BASIS OF INHERITANCE STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION → STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION ENVIRONMENTAL ISSUES → ENVIRONMENTAL ISSUES