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4.2 Respiration

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Question 20
F86%

Yeast is used in bread making because it respire anaerobically in the dough. Which pair of products does the yeast make?

[1]
A

lactic acid and water

B

ethanol and lactic acid

C

ethanol and carbon dioxide

D

lactic acid and carbon dioxide

Markscheme

4.2 Respiration Questions

  1. GCSE
  2. /Biology
  3. /4.2 Respiration

92 exam-style questions on AQA GCSE Biology 4.2 Respiration, covering 4.2.1 Aerobic and anaerobic respiration, 4.2.2 Response to exercise, and 4.2.3 Metabolism. Each one has a worked solution and a mark scheme showing where the marks go.

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