Cambridge O Level Biology (5090) Paper 21, May/June 2021. 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 2021 · all 2021 papers |
| Questions | 9 |
| AI explanations | Available for every question |
The questions in this paper cover these Biology syllabus chapters:
| Topic | Questions |
|---|---|
| Chapter 1: Cells | 1 |
| Chapter 2: Classification | 1 |
| Chapter 3: Movement into and out of cells | 1 |
| Chapter 6: Plant nutrition | 2 |
| Chapter 7: Transport in flowering plants | 1 |
| Chapter 9: Human gas exchange | 1 |
| Chapter 13: Excretion | 1 |
| Chapter 14: Coordination and control | 1 |
| Chapter 18: Biotechnology and genetic modification | 3 |
| Chapter 19: Relationships of organisms with one another and with the environment | 3 |
Every question in 5090 Biology Paper 21 — May/June 2021 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 3: Movement into and out of cells; Chapter 7: Transport in flowering plants |
| Question 2 | Chapter 14: Coordination and control |
| Question 3 | Chapter 6: Plant nutrition; Chapter 19: Relationships of organisms with one another and with the environment |
| Question 4 | Chapter 1: Cells |
| Question 5 | Chapter 6: Plant nutrition; Chapter 18: Biotechnology and genetic modification; Chapter 19: Relationships of organisms with one another and with the environment |
| Question 6 | Chapter 18: Biotechnology and genetic modification |
| Question 7 | Chapter 13: Excretion |
| Question 8 | Chapter 2: Classification; Chapter 18: Biotechnology and genetic modification; Chapter 19: Relationships of organisms with one another and with the environment |
| Question 9 | Chapter 9: Human gas exchange |
This paper tests 10 syllabus topics: Cells (1 question), Classification (1 question), Movement into and out of cells (1 question), Plant nutrition (2 questions), Transport in flowering plants (1 question), Human gas exchange (1 question), Excretion (1 question), Coordination and control (1 question), Biotechnology and genetic modification (3 questions), Relationships of organisms with one another and with the environment (3 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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