A-LevelBiologyCell structure9700/12 · Oct/Nov 2015 · Q21 Mark

Different units are used when measuring biological specimens. Which measurement in mm has not been correctly converted into both µm and nm?

A1.0 1.0 x 10³ 1.0 x 10⁶

B2.5 2.5 x 10³ 2.5 x 10⁶

C5.0 5.0 × 10⁴ 5.0 x 10⁷

D25.0 2.5 × 10⁴ 2.5 x 10⁷

✓ Correct answer

C: 5.0 5.0 × 10⁴ 5.0 x 10⁷

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Topic: Cell structure, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2015 Paper 1 Variant 2, question 2.

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