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8.3 Respiration

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Question 9

During a short race, cells in a horse's leg muscles may respire with or without oxygen.

Which statement correctly compares the products of the two types of respiration in these muscle cells?

[1]
A

Aerobic respiration produces carbon dioxide and water; anaerobic respiration produces ethanol and carbon dioxide

B

Aerobic respiration produces carbon dioxide and water; anaerobic respiration produces lactic acid

C

Aerobic respiration produces lactic acid; anaerobic respiration produces carbon dioxide and water

D

Aerobic respiration produces ethanol and carbon dioxide; anaerobic respiration produces lactic acid

Markscheme

8.3 Respiration Questions

  1. GCSE
  2. /Biology
  3. /8.3 Respiration

98 exam-style questions on Edexcel GCSE Biology 8.3 Respiration, covering 8.3.1 Aerobic and anaerobic respiration. Each one has a worked solution and a mark scheme showing where the marks go.

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