Biology (9–1) 0970
Cambridge IGCSE Biology (9–1) 0970 — Gas Exchange and Respiration topical past papers
131 past-paper questions on Gas Exchange and Respiration for Biology (9–1) 0970.
- Questions
- 131
- Years
- 2020–2025
- With mark scheme
- 100%
- Questions 2021–2025
- 105
Anyone can browse these pages. Opening the questions and their mark schemes takes a free Momentum account.
How Gas Exchange and Respiration has been examined
From 2021 to 2025, Gas Exchange and Respiration was on Paper 4 · Theory (Extended) in 8 of 9 exam series, worth about 15% of that paper’s marks.
| Paper | Questions | Share of marks | Series |
|---|---|---|---|
| Paper 1 · Multiple Choice (Core) | 38 | 7% | 9 of 9 |
| Paper 2 · Multiple Choice (Extended) | 38 | 7% | 9 of 9 |
| Paper 3 · Theory (Core) | 11 | 10% | 8 of 9 |
| Paper 4 · Theory (Extended) | 13 | 15% | 8 of 9 |
| Paper 6 · Alternative to Practical | 5 | 13% | 5 of 9 |
Momentum’s own count, over the questions in its bank for these years: a series is one exam session, every zone included, and a question filed under two chapters counts in both. Median marks per question: 1.
Filed in Momentum under: Gas Exchange and Respiration.
Practising in Momentum
- Every question in a chapter as one list, from every paper and year in the bank, newest first or shuffled.
- Each question turns over to its own part of the mark scheme, where the board published one.
- Narrow by paper, year, session, zone and marks, and star the questions worth keeping.
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Past-paper questions and mark schemes are the copyright of Cambridge International. Momentum shows them to signed-in learners for revision and does not publish them on these pages.