A-LevelBiologyBiological molecules9700/12 · Feb/Mar 2018 · Q71 Mark

Which concentrations could be produced by a serial dilution of an 8.00% glucose solution?

A4.00%, 2.00%, 1.00%, 0.50% and 0.25%

B4.00%, 3.00%, 2.00%, 1.00% and 0.00%

C6.00%, 4.00%, 2.00%, 1.00% and 0.50%

D8.00%, 6.00%, 4.00%, 2.00% and 0.00%

✓ Correct answer

A: 4.00%, 2.00%, 1.00%, 0.50% and 0.25%

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Topic: Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2018 Paper 1 Variant 2, question 7.

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