Cambridge O Level Biology (5090) Paper 21, May/June 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 | May/June 2023 · all 2023 papers |
| Questions | 7 |
| AI explanations | Available for every question |
The questions in this paper cover these Biology syllabus chapters:
| Topic | Questions |
|---|---|
| Chapter 2: Classification | 1 |
| Chapter 4: Biological molecules | 2 |
| Chapter 5: Enzymes | 1 |
| Chapter 6: Plant nutrition | 2 |
| Chapter 7: Transport in flowering plants | 1 |
| Chapter 8: Human nutrition | 1 |
| Chapter 10: Respiration | 2 |
| Chapter 11: Transport in humans | 1 |
| Chapter 14: Coordination and control | 3 |
| Chapter 15: Coordination and response in plants | 1 |
| Chapter 19: Relationships of organisms with one another and with the environment | 2 |
Every question in 5090 Biology Paper 21 — May/June 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 4: Biological molecules; Chapter 5: Enzymes; Chapter 14: Coordination and control |
| Question 2 | Chapter 2: Classification; Chapter 19: Relationships of organisms with one another and with the environment |
| Question 3 | Chapter 6: Plant nutrition; Chapter 7: Transport in flowering plants; Chapter 15: Coordination and response in plants |
| Question 4 | Chapter 4: Biological molecules; Chapter 8: Human nutrition |
| Question 5 | Chapter 14: Coordination and control |
| Question 6 | Chapter 10: Respiration; Chapter 11: Transport in humans; Chapter 14: Coordination and control |
| Question 7 | Chapter 6: Plant nutrition; Chapter 10: Respiration; Chapter 19: Relationships of organisms with one another and with the environment |
This paper tests 11 syllabus topics: Classification (1 question), Biological molecules (2 questions), Enzymes (1 question), Plant nutrition (2 questions), Transport in flowering plants (1 question), Human nutrition (1 question), Respiration (2 questions), Transport in humans (1 question), Coordination and control (3 questions), Coordination and response in plants (1 question), Relationships of organisms with one another and with the environment (2 questions).
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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