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1.3 Respiration

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Question 15

A human liver cell is studied during two periods: in one, oxygen is available; in the other, oxygen is in short supply.

Which statement about respiration in this cell during the two periods is correct?

[1]
A

Aerobic respiration produces carbon dioxide and water and gives a smaller yield of ATP than anaerobic respiration, which produces lactic acid and gives a larger yield of ATP.

B

Aerobic respiration produces lactic acid and gives a smaller yield of ATP than anaerobic respiration, which produces carbon dioxide and water and gives a larger yield of ATP.

C

Aerobic respiration produces lactic acid and gives a larger yield of ATP than anaerobic respiration, which produces carbon dioxide and water and gives a smaller yield of ATP.

D

Aerobic respiration produces carbon dioxide and water and gives a larger yield of ATP than anaerobic respiration, which produces lactic acid and gives a smaller yield of ATP.

Markscheme

1.3 Respiration Questions

  1. GCSE
  2. /Biology
  3. /1.3 Respiration

113 exam-style questions on OCR GCSE Biology 1.3 Respiration, covering 1.3.1 Cellular respiration supplies ATP, 1.3.2 Aerobic and anaerobic respiration, 1.3.3 Sugars and carbohydrates, 1.3.4 Amino acids and proteins, and 1.3.5 Fatty acids and lipids. Each one has a worked solution and a mark scheme showing where the marks go.

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