O-LevelBiologyHuman Nutrition5090/11 · May/June 2011 · Q101 Mark

A protein solution is tested using three different reagents. Which set of results is obtained?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Ablack blue blue

Bblack red blue

Cbrown blue purple

Dbrown red purple

✓ Correct answer

C: brown blue purple

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Topic: Human Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2011 Paper 1 Variant 1, question 10.

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