O-LevelBiologyRespiration5090/11 · May/June 2014 · Q161 Mark

Anaerobic respiration in yeast can be summarised as follows. glucose → ethanol + carbon dioxide How many molecules of carbon dioxide will be produced from the breakdown of two molecules of glucose?

D12

✓ Correct answer

B: 4

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Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2014 Paper 1 Variant 1, question 16.

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