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O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2025 · Q221 Mark

The graph shows blood glucose concentration over 6 hours in a day. [Figure 22.1] What is the set point for blood glucose concentration shown by this graph?

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.

A5 arbitrary units
B10 arbitrary units
C15 arbitrary units
D20 arbitrary units

✓ Correct answer

B: 10 arbitrary units

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About this question

Topic
Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2025 Paper 1 Variant 1, question 22.

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