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9700 past papers

9700 · topic questions

Respiration

Biology8 questions

8 past-paper questions on Respiration

  • 9700/42 · May/June 20254 marks

    Cyanide ions (CN¯) are highly toxic. Cyanide ions bind to carrier 4 in Fig. 1.1 and inactivate the carrier. Suggest and explain…

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  • 9700/41 · May/June 20254 marks

    Explain how the experimental set-up in Fig. 2.2 allows the rate of respiration of woodlice to be determined.

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  • 9700/41 · October/November 20244 marks

    Aerobic respiration occurs in four successive stages: glycolysis (G), link reaction (LR), Krebs cycle (KC) and oxidative…

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  • 9700/42 · May/June 20254 marks

    Diving to hunt for fish has an effect on the respiration of the grey seal. A study was carried out to measure the blood lactate…

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  • 9700/42 · May/June 20253 marks

    Describe how structure 5 in Fig. 1.1 is involved in oxidative phosphorylation.

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  • 9700/41 · May/June 20253 marks

    Explain how the presence of the inorganic molecule named in (d)(i) affects the ATP yield from respiration.

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  • 9700/42 · May/June 20252 marks

    Hydrogen atoms that are delivered to the ETC by reduced NAD and reduced FAD split into protons and electrons. Energy is released…

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  • 9700/41 · May/June 20252 marks

    Name two energy-rich molecules that enter the respiration pathway to synthesise ATP.

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Respiration (9700) past-paper questions — marked instantly

These are real Cambridge Biology past-paper questions on Respiration. Open one, attempt it, then upload your working — MarkScheme grades it against the official 9700 mark scheme so you see exactly where the marks are won and lost on this topic.

Frequently asked questions

How many Respiration questions are there for 9700?
This page collects 8 recent Cambridge Biology (9700) past-paper questions tagged to Respiration. Each links straight to instant marking against the official 9700 scheme.
How are Respiration answers marked?
Type or photograph your working and MarkScheme scores it against the real 9700 mark scheme for this topic — method, accuracy and any band descriptors — so you see exactly where the marks are.
Where can I learn Respiration first?
Start with the free Biology lesson on Respiration, then come back and drill past-paper questions under timed conditions.