O-LevelBiologyCoordination & Response5090/12 · Oct/Nov 2019 · Q361 Mark

In the control of female fertility, which hormones could be used for preventing ovulation, and which could be used for promoting ovulation? [Table with 'preventing ovulation' and 'promoting ovulation']

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AFSH / LH and progesterone

BLH / oestrogen and progesterone

CLH and oestrogen / progesterone

Doestrogen and progesterone / FSH

✓ Correct answer

D: oestrogen and progesterone / FSH

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2019 Paper 1 Variant 2, question 36.

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