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1.3 Respiration

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Question 19

Cells in a trout’s gill tissue carry out aerobic respiration.

Which pair contains the two substances that must enter these cells for aerobic respiration to take place?

[1]
A

glucose and oxygen

B

ethanol and carbon dioxide

C

lactic acid and oxygen

D

carbon dioxide and water

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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