A-LevelBiologyCell structure9700/12 · Feb/Mar 2023 · Q181 Mark

What happens to the surface area to volume ratio of a cube when the length of each side is doubled?

AThe ratio decreases by four times.

BThe ratio halves.

CThe ratio doubles.

DThe ratio increases by four times.

✓ Correct answer

B: The ratio halves.

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Topic: Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2023 Paper 1 Variant 2, question 18.

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