Class 12 Biology NCERT Solutions Chapter 1 Biology Reproduction in Organisms Chapter 2 Sexual Reproduction in Flowering Plants Chapter 3 Human Reproduction Chapter 4 Reproductive Health Chapter 5 Principles of Inheritance and Variation Chapter 6 Molecular Basis of Inheritance Chapter 7 Evolution Chapter 8 Human Health and Disease Chapter 9 Strategies for Enhancement in Food Production Chapter 10 Microbes in Human Welfare Chapter 11 Biotechnology: Principles And Processes Chapter 12 Biotechnology and its Applications Chapter 13 Organisms and Populations Chapter 14 Ecosystem Chapter 15 Biodiversity and Conservation Chapter 16 Environmental Issues Revision Notes