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8.3 Respiration

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Question 23
H

The table shows measurements from a muscle during two stages of exercise.

Table

StageOxygen use in arbitrary units per minuteLactic acid production in arbitrary units per minute
P402
Q6012

Which conclusion is supported by the results?

[1]
A

both aerobic and anaerobic respiration decrease from P to Q

B

aerobic respiration decreases and anaerobic respiration increases from P to Q

C

aerobic respiration increases and anaerobic respiration decreases from P to Q

D

both aerobic and anaerobic respiration increase from P to Q

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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