Biology 9700 · 12 Energy and respiration
12.2 Respiration
Detail the stages of aerobic and anaerobic respiration, relate mitochondrial structure to function, and investigate respiration rates experimentally.
- Questions
- 147
- Years
- 2002–2026
- Multiple choice
- 18
- Written answer
- 129
- Average marks
- 10.7
Practise energy and respiration questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 04, 41, 42, 43, 44104
- Paper 1variants 01, 11, 12, 13, 1418
- Paper 5variants 05, 51, 52, 5318
- Paper 3variants 31, 32, 34, 365
- Paper 2variants 022
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 2 | 7 | – | 9 |
| 2025 | – | 3 | – | 3 |
| 2023 | 1 | 4 | 4 | 9 |
| 2022 | 1 | 7 | 3 | 11 |
| 2021 | 1 | 7 | 6 | 14 |
| 2020 | 1 | 9 | 3 | 13 |
| 2019 | 1 | 4 | 9 | 14 |
| 2018 | 1 | 7 | 4 | 12 |
| 2017 | 2 | 5 | 4 | 11 |
| 2016 | 2 | 8 | 3 | 13 |
| 2015 | – | 3 | 3 | 6 |
| 2010 | – | 4 | 3 | 7 |
| 2009 | – | 1 | 2 | 3 |
| 2008 | – | 1 | – | 1 |
| 2007 | – | 2 | 1 | 3 |
| 2006 | – | 2 | 1 | 3 |
| 2005 | – | 1 | 2 | 3 |
| 2004 | – | 1 | 2 | 3 |
| 2003 | – | 2 | 3 | 5 |
| 2002 | – | 1 | 3 | 4 |
