O-LevelBiologyRespiration5090/12 · May/June 2020 · Q161 Mark

During which activity is anaerobic respiration most likely to occur?

Abreathing

Bsleeping

Csprinting 100 metres

Dwalking to school

✓ Correct answer

C: sprinting 100 metres

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Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2020 Paper 1 Variant 2, question 16.

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