UNIT VI
REPRODUCTION 1-66
Chapter 1 : Reproduction in Organisms 3
Chapter 2 : Sexual Reproduction in Flowering Plants 19
Chapter 3 : Human Reproduction 42
Chapter 4 : Reproductive Health 57
UNIT VII
GENETICS AND EVOLUTION 67-142
Chapter 5 : Principles of Inheritance and Variation 69
Chapter 6 : Molecular Basis of Inheritance 95
Chapter 7 : Evolution 126
UNIT VIII
BIOLOGY IN HUMAN WELFARE 143-190
Chapter 8 : Human Health and Disease 145
Chapter 9 : Strategies for Enhancement in 165
Food Production
Chapter 10 : Microbes in Human Welfare 179
UNIT IX
BIOTECHNOLOGY 191-216
Chapter 11 : Biotechnology : Principles and Processes 193
Chapter 12 : Biotechnology and its Applications 207
UNIT X
ECOLOGY 217-286
Chapter 13 : Organisms and Populations 219
Chapter 14 : Ecosystem 241
Chapter 15 : Biodiversity and Conservation 258
Chapter 16 : Environmental Issues 270