How does an oral contraceptive that contains both oestrogen and progesterone prevent pregnancy?
It inhibits the release of FSH, so eggs stop maturing in the ovaries
It inhibits the release of oestrogen, so eggs stop maturing in the ovaries
It stimulates the release of FSH, so the lining of the uterus breaks down
It stimulates the release of oestrogen, so the lining of the uterus breaks down
62 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.