A researcher observes that a reproductive hormone, hormone X, causes an egg in an ovary to mature.
Which option identifies hormone X and the gland that releases it?
LH — ovaries
Progesterone — pituitary gland
FSH — pituitary gland
Oestrogen — ovaries
85 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.