| Select | | View | Download | | Chapter 25 Body defence mechanisms | | |
| Chapter 25 Body defence mechanisms (2021 new questions) | | |
| 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) | | |