O-LevelBiologyRespiration5090/12 · Oct/Nov 2020 · Q171 Mark

The apparatus shown is used to make alcohol by anaerobic respiration. What are P, Q and R?

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Aamylase starch oxygen

Bbacterium amino acids nitrogen

Cfungus glucose carbon dioxide

Dvirus sucrose water vapour

✓ Correct answer

C: fungus glucose carbon dioxide

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Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2020 Paper 1 Variant 2, question 17.

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