A scientist records the effects of secretions from four unidentified endocrine glands.
Which observation provides the best evidence that a secretion came from the pituitary gland?
Heart rate increases during a stressful situation.
Hormone release increases in several different endocrine glands.
Basal metabolic rate increases while the body is at rest.
Body cells take in more glucose from the blood.
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.