A-LevelBiologyCell structure9700/12 · Feb/Mar 2019 · Q21 Mark

The diameter of a red blood cell in a diagram was measured as 2.5 cm. The actual diameter of the red blood cell was 7 µm. Which calculation would give the correct magnification for the red blood cell in the diagram?

A7 / 25000

B2500 / 7

C25000 / 7

D25000 / 7000

✓ Correct answer

C: 25000 / 7

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Topic: Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2019 Paper 1 Variant 2, question 2.

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