| Topics | Subtopics |
| 1 | Characteristic and classification of living organisms | 1.1 Characteristics of organisms |
| 1.2 The biological classification system |
| 1.3 Keys |
| 1.4 Kingdoms |
| 1.5 Groups within the animal and plant kingdoms |
| 1.6 Viruses |
| 2 | Cells | 2.1 Animal and plant cells |
| 2.2 Bacterial cells |
| 2.3 Specialised cells |
| 2.4 Sizes of specimens |
| 3 | Movement into and out of cells | 3.1 Diffusion |
| 3.2 Osmosis |
| 3.3 Active transport |
| 4 | Biological molecules | 4.1 Carbohydrates, fats and proteins |
| 4.2 The structure of DNA |
| 5 | Enzymes | 5.1 Biological catalysts |
| 5.2 Factors that affect enzymes |
| 6 | Plant nutrition | 6.1 Making carbohydrates using light energy |
| 6.2 Leaves |
| 6.3 Factors affecting photosynthesis |
| 7 | Human nutrition | 7.1 Diet |
| 7.2 The human digestive system |
| 7.3 Digestion |
| 7.4 Absorption and assimilation |