A drug blocks the effect of LH on an ovary. FSH acts normally, and the developing follicle releases oestrogen.
Which outcome is most likely?
The lining must break down, and egg maturation stops immediately.
The lining can thicken, and the mature egg is released normally.
The lining must break down, but the mature egg is released.
The lining can thicken, but the mature egg is not released.
48 exam-style questions on Edexcel GCSE Biology 7.2 Reproductive hormones, covering 7.2.1 Stages of the menstrual cycle, 7.2.2 Hormonal control of the menstrual cycle, 7.2.3 Hormonal contraception, 7.2.4 Evaluating contraception methods, and 7.2.5 Hormones in Assisted Reproductive Technology. Each one has a worked solution and a mark scheme showing where the marks go.