| Chapter 1 Introduction to biology | | |
| Chapter 2 Molecules of life | | |
| Chapter 3 Cellular organization | | |
| Chapter 4 Movement of substances across the cell membrane | | |
| Chapter 5 Metabolism and enzymes | | |
| New question highlights: Micrograph analysis (2020 updated version)  | | |
| New question highlights: Graph analysis (2020 updated version) | | |
| New question highlights: Data analysis (2020 updated version) | | |
| New question highlights: Scientific investigation (2020 updated version) | | |
| New question highlights: NOS, STSE (2020 updated version) | | |
| New question highlights: Cross-topic essays (2020 updated version) | | |
| New question highlights: Overseas exam questions (2020 updated version) | | |