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O-LevelBiologyTransport in Humans5090/11 · May/June 2025 · Q161 Mark

Blood is made up from a number of different components. The pie chart shows the percentage volume of each of the components of blood. What is the percentage volume of blood for the component that has the function of transporting oxygen?

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A1%
B30%
C44%
D55%

✓ Correct answer

C: 44%

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About this question

Topic
Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2025 Paper 1 Variant 1, question 16.

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