Cambridge O Level Biology (5090) Paper 21, October/November 2020. 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 2020 · all 2020 papers |
| Questions | 9 |
| AI explanations | Available for every question |
The questions in this paper cover these Biology syllabus chapters:
| Topic | Questions |
|---|---|
| Chapter 1: Cells | 2 |
| Chapter 2: Classification | 1 |
| Chapter 3: Movement into and out of cells | 2 |
| Chapter 5: Enzymes | 1 |
| Chapter 6: Plant nutrition | 4 |
| Chapter 7: Transport in flowering plants | 2 |
| Chapter 8: Human nutrition | 1 |
| Chapter 9: Human gas exchange | 1 |
| Chapter 10: Respiration | 1 |
| Chapter 12: Disease and immunity | 1 |
| Chapter 15: Coordination and response in plants | 1 |
| Chapter 17: Inheritance | 1 |
| Chapter 18: Biotechnology and genetic modification | 1 |
| Chapter 19: Relationships of organisms with one another and with the environment | 2 |
Every question in 5090 Biology Paper 21 — Oct/Nov 2020 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 1: Cells |
| Question 2 | Chapter 2: Classification; Chapter 19: Relationships of organisms with one another and with the environment |
| Question 3 | Chapter 6: Plant nutrition; Chapter 9: Human gas exchange; Chapter 10: Respiration |
| Question 4 | Chapter 3: Movement into and out of cells; Chapter 5: Enzymes; Chapter 6: Plant nutrition |
| Question 5 | Chapter 3: Movement into and out of cells; Chapter 7: Transport in flowering plants; Chapter 8: Human nutrition |
| Question 6 | Chapter 1: Cells |
| Question 7 | Chapter 6: Plant nutrition; Chapter 19: Relationships of organisms with one another and with the environment |
| Question 8 | Chapter 6: Plant nutrition; Chapter 7: Transport in flowering plants; Chapter 15: Coordination and response in plants |
| Question 9 | Chapter 12: Disease and immunity; Chapter 17: Inheritance; Chapter 18: Biotechnology and genetic modification |
This paper tests 14 syllabus topics: Cells (2 questions), Classification (1 question), Movement into and out of cells (2 questions), Enzymes (1 question), Plant nutrition (4 questions), Transport in flowering plants (2 questions), Human nutrition (1 question), Human gas exchange (1 question), Respiration (1 question), Disease and immunity (1 question), Coordination and response in plants (1 question), Inheritance (1 question), Biotechnology and genetic modification (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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