O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2023 · Q261 Mark

The graph shows the blood sugar level for a person over eight hours. They did not exercise during this time. Which statement explains the shape of the graph between X and Y?

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AThe pancreas produces glucagon which causes excess sugar in the blood to be converted to glycogen.

BThe liver produces insulin which causes excess sugar in the blood to be converted to glycogen.

CThe pancreas produces insulin which causes excess sugar in the blood to be converted to glycogen.

DThe liver produces glycogen which causes excess sugar in the blood to be converted to glucagon.

✓ Correct answer

C: The pancreas produces insulin which causes excess sugar in the blood to be converted to glycogen.

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2023 Paper 1 Variant 1, question 26.

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