O-LevelBiologyCoordination & Response5090/11 · May/June 2013 · Q211 Mark

The graph shows changes in blood glucose concentration when a body responds to an external stimulus. [Figure showing a graph of blood glucose concentration vs. time after stimulus/minutes, showing an initial rise and then a fall.] What is the hormone responsible for the change in blood glucose concentration in the first 30 minutes?

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Aadrenaline

Bfibrinogen

Cglycogen

Dinsulin

✓ Correct answer

A: adrenaline

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2013 Paper 1 Variant 1, question 21.

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