O-LevelBiologyTransport in Humans5090/12 · May/June 2017 · Q131 Mark

Why is a rise in pulse rate important for an athlete during a 200 m race?

Ato increase the digestion of carbohydrates

Bto increase ventilation of the lungs with fresh air

Cto reduce the need for anaerobic respiration

Dto reduce the need for sweating to cool the body

✓ Correct answer

C: to reduce the need for anaerobic respiration

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Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2017 Paper 1 Variant 2, question 13.

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