O Level Biology Notes by M. Hamza Sheikh

Prestigious Mentions from Biology Experts 4
Chapter 1: Cells 6
Chapter 2: Classification 14
Chapter 3: Movement into and out of cell 24
Chapter 4: Biological Molecules 32
Chapter 5: Enzymes 38
Chapter 6: Plant Nutrition 45
Chapter 7: Transport in flower plants 54
Chapter 8: Human Nutrition 62
Chapter 9: Human Gas Exchange 72
Chapter 10: Respiration 10
Chapter 11: Transport in humans 84
Chapter 12: Disease and immunity 95
Chapter 13: Excretion 106
Chapter 14: Control and Coordination 112
Chapter 15: Coordination and Response in Plants 125
Chapter 16: Development of organisms and continuity of life 131
Chapter 17: Inheritance 150
Chapter 18: Biotechnology and genetic information 164
Chapter 19: Relationships of organisms with one another and with the environment 171