Core

80

Topic 1: Statistical analysis

2

Topic 2: Cells

12

Topic 3: The chemistry of life

15

Topic 4: Genetics

15

Topic 5: Ecology and evolution

16

Topic 6: Human health and physiology

20

AHL

55

Topic 7: Nucleic acids and proteins

11

Topic 8: Cell respiration and photosynthesis

10

Topic 9: Plant science

11

Topic 10: Genetics

6

Topic 11: Human health and physiology

17

Options

15/22

Options SL

Option A: Human nutrition and health

15

Option B: Physiology of exercise

15

Option C: Cells and energy

15

Options SL and HL

Option D: Evolution

15/22

Option E: Neurobiology and behaviour

15/22

Option F: Microbes and biotechnology

15/22

Option G: Ecology and conservation

15/22

Options HL

Option H: Further human physiology

22