Cambridge O Level Biology (5090) Paper 21, October/November 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 | October/November 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 | 2 |
| Chapter 3: Movement into and out of cells | 1 |
| Chapter 5: Enzymes | 1 |
| Chapter 6: Plant nutrition | 1 |
| Chapter 7: Transport in flowering plants | 2 |
| Chapter 8: Human nutrition | 1 |
| Chapter 9: Human gas exchange | 1 |
| Chapter 10: Respiration | 1 |
| Chapter 11: Transport in humans | 2 |
| Chapter 13: Excretion | 1 |
| Chapter 14: Coordination and control | 2 |
| Chapter 16: Development of organisms and continuity of life | 3 |
| Chapter 17: Inheritance | 1 |
| Chapter 18: Biotechnology and genetic modification | 1 |
| Chapter 19: Relationships of organisms with one another and with the environment | 1 |
Every question in 5090 Biology Paper 21 — Oct/Nov 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 8: Human nutrition; Chapter 9: Human gas exchange; Chapter 11: Transport in humans; Chapter 13: Excretion |
| Question 2 | Chapter 6: Plant nutrition; Chapter 18: Biotechnology and genetic modification; Chapter 19: Relationships of organisms with one another and with the environment |
| Question 3 | Chapter 10: Respiration; Chapter 14: Coordination and control |
| Question 4 | Chapter 7: Transport in flowering plants; Chapter 16: Development of organisms and continuity of life |
| Question 5 | Chapter 11: Transport in humans; Chapter 14: Coordination and control |
| Question 6 | Chapter 5: Enzymes |
| Question 7 | Chapter 1: Cells; Chapter 16: Development of organisms and continuity of life; Chapter 17: Inheritance |
| Question 8 | Chapter 3: Movement into and out of cells; Chapter 7: Transport in flowering plants |
| Question 9 | Chapter 1: Cells; Chapter 16: Development of organisms and continuity of life |
This paper tests 15 syllabus topics: Cells (2 questions), Movement into and out of cells (1 question), Enzymes (1 question), Plant nutrition (1 question), Transport in flowering plants (2 questions), Human nutrition (1 question), Human gas exchange (1 question), Respiration (1 question), Transport in humans (2 questions), Excretion (1 question), Coordination and control (2 questions), Development of organisms and continuity of life (3 questions), Inheritance (1 question), Biotechnology and genetic modification (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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