- Chapter 1 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
- Chapter 12 Biotechnology And Its Applications
- Chapter 13 Organisms And Populations
- Chapter 14 Ecosystem
- Chapter 15 Biodiversity And Conservation
- Chapter 16 Environmental Issues
NCERT Solutions for Class 12 Biology. Chapter 13 Organisms And Populations. PDF Download Free.