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1.3 Respiration

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Question 27
F

A field floods and the soil becomes waterlogged. There is very little oxygen in the soil. Which substances are produced by respiration in the root cells of plants in this soil?

[1]
A

lactic acid and water

B

lactic acid and carbon dioxide

C

carbon dioxide and water

D

ethanol and carbon dioxide

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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