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Respiration

Respiration

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Question 3

Plants and other organisms perform cellular respiration to release energy.

a.

Write the balanced chemical symbol equation for aerobic respiration.

[2]
b.

Explain how the rate of respiration in germinating seeds is affected by changes to abiotic (non-living) factors.

[4]
c.

Explain how waterlogging of soil (which deprives root cells of oxygen) might reduce the growth of plants.

[5]
Markscheme

Respiration Questions

  1. IGCSE
  2. /Biology
  3. /Respiration

10 exam-style questions on Edexcel IGCSE Biology Respiration. Each one has a worked solution and a mark scheme showing where the marks go.

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