Cambridge O Level Biology (5090) Paper 21, October/November 2023. Read the question paper free and work through it with an AI tutor that explains every question step by step.
| Exam board | Cambridge International Education |
|---|---|
| Qualification | Cambridge O Level |
| Subject | Biology |
| Syllabus code | 5090 |
| Paper | Paper 21 (5090/21) |
| Exam series | October/November 2023 · all 2023 papers |
| Questions | 8 |
| AI explanations | Available for every question |
The questions in this paper cover these Biology syllabus chapters:
| Topic | Questions |
|---|---|
| Chapter 1: Cells | 1 |
| Chapter 3: Movement into and out of cells | 2 |
| Chapter 5: Enzymes | 1 |
| Chapter 6: Plant nutrition | 1 |
| Chapter 7: Transport in flowering plants | 1 |
| Chapter 9: Human gas exchange | 1 |
| Chapter 11: Transport in humans | 1 |
| Chapter 12: Disease and immunity | 1 |
| Chapter 14: Coordination and control | 1 |
| Chapter 16: Development of organisms and continuity of life | 1 |
| Chapter 19: Relationships of organisms with one another and with the environment | 1 |
Every question in 5090 Biology Paper 21 — Oct/Nov 2023 and the syllabus topic it tests. Ask the AI tutor about any of them by number, for example "Question 1".
| Question | Topic |
|---|---|
| Question 1 | Chapter 11: Transport in humans |
| Question 2 | Chapter 12: Disease and immunity; Chapter 16: Development of organisms and continuity of life |
| Question 3 | Chapter 3: Movement into and out of cells |
| Question 4 | Chapter 9: Human gas exchange; Chapter 14: Coordination and control |
| Question 5 | Chapter 5: Enzymes |
| Question 6 | Chapter 6: Plant nutrition |
| Question 7 | Chapter 1: Cells; Chapter 3: Movement into and out of cells; Chapter 7: Transport in flowering plants |
| Question 8 | Chapter 19: Relationships of organisms with one another and with the environment |
This paper tests 11 syllabus topics: Cells (1 question), Movement into and out of cells (2 questions), Enzymes (1 question), Plant nutrition (1 question), Transport in flowering plants (1 question), Human gas exchange (1 question), Transport in humans (1 question), Disease and immunity (1 question), Coordination and control (1 question), Development of organisms and continuity of life (1 question), Relationships of organisms with one another and with the environment (1 question).
Yes. Open the paper on Aixampapers and ask the AI tutor about any question: it explains each one step by step, written to what Cambridge examiners give marks for.
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