O-LevelBiologyCoordination & Response5090/11 · May/June 2014 · Q351 Mark

The graph shows the concentration of a hormone in the blood during one menstrual cycle. [Figure 35.1] Which hormone concentration was measured?

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Afollicle-stimulating hormone

Bluteinising hormone

Coestrogen

Dprogesterone

✓ Correct answer

B: luteinising hormone

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2014 Paper 1 Variant 1, question 35.

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