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1.3 Respiration

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Question 26

Waterlogging of soil deprives plant root cells of oxygen, forcing them to respire anaerobically. Which of the following lists the products formed by these plant cells that are not produced when human erythrocytes (red blood cells) respire anaerobically?

A

Ethanol and carbon dioxide

B

Lactic acid and carbon dioxide

C

Ethanol and water

D

Lactic acid 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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