O-LevelBiologyHuman Nutrition5090/11 · May/June 2016 · Q31 Mark

The small intestine of a person contains a lower concentration of glucose than is present in the blood. The cells of the villi absorb glucose. By which process is the glucose absorbed?

Aby active transport against the concentration gradient

Bby active transport down the concentration gradient

Cby diffusion against the concentration gradient

Dby diffusion down the concentration gradient

✓ Correct answer

A: by active transport against the concentration gradient

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Topic: Human Nutrition, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2016 Paper 1 Variant 1, question 3.

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