| Chapter 10 Nutrition and gas exchange in plants | | |
| Chapter 10 Nutrition and gas exchange in plants (2021 new questions) | | |
| Chapter 11 Transpiration, transport and support in plants | | |
| Chapter 11 Transpiration, transport and support in plants (2021 new questions) | | |
| Integrated Quiz 4 (Book 2A: Chapters 10–11) | | |
| Chapter 12 The cell cycle and cell division | | |
| Chapter 12 The cell cycle and cell division (2021 new questions) | | |
| Chapter 13 Reproduction in flowering plants | | |
| Chapter 13 Reproduction in flowering plants (2021 new questions) | | |
| Chapter 14 Reproduction in humans | | |
| Chapter 14 Reproduction in humans (2021 new questions) | | |
| Chapter 15 Growth and development | | |
| Chapter 15 Growth and development (2021 new questions) | | |
| Integrated Quiz 5 (Book 2A: Chapters 12–15) | | |