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8.3 Respiration

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Question 11
F

A student records these results for a culture of yeast.

Table

ObservationResult
Glucose concentrationdecreases
Ethanol concentrationincreases
Gas releasedcarbon dioxide

Which conclusion is supported by all three observations?

[1]
A

glucose is broken down completely during aerobic respiration

B

glucose is broken down incompletely during anaerobic respiration

C

glucose is broken down incompletely during aerobic respiration

D

glucose is broken down completely during anaerobic respiration

Markscheme

8.3 Respiration Questions

  1. GCSE
  2. /Biology
  3. /8.3 Respiration

42 exam-style questions on Edexcel GCSE Biology 8.3 Respiration, covering 8.3.1 Aerobic and anaerobic respiration. Each one has a worked solution and a mark scheme showing where the marks go.

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