A-LevelBiologyCell structure9700/12 · Feb/Mar 2017 · Q21 Mark

A light microscope is used to observe two structures that are 200 nm apart. How far apart are the structures when the magnification is changed from ×40 to ×400?

A2 μm

B20 μm

C200 nm

D2000 nm

✓ Correct answer

C: 200 nm

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Topic: Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2017 Paper 1 Variant 2, question 2.

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