O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2018 · Q361 Mark

The graph shows the concentration of a hormone in the blood during one menstrual cycle. [Figure showing a graph of concentration of hormone in the blood vs. time/days, peaking around day 14] Which hormone concentration was measured?

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AFSH

BLH

Coestrogen

Dprogesterone

✓ Correct answer

B: LH

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2018 Paper 1 Variant 1, question 36.

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