Skip to content

Course home

5.3 Hormonal coordination in humans

5.3 Hormonal coordination in humans

EasyMediumHard
1234567891011121314151617181920212223242526272829
Question 26
H

The concentration of thyroxine in the blood rises above its normal level. Which response is part of the negative feedback control?

[1]
A

More TSH is released, so the thyroid releases still more thyroxine.

B

Less TSH is released, so the thyroid releases less thyroxine.

C

More insulin is released, so the thyroid releases less thyroxine.

D

Less insulin is released, so the thyroid releases more thyroxine.

Markscheme

5.3 Hormonal coordination in humans Questions

  1. GCSE
  2. /Biology
  3. /5.3 Hormonal coordination in humans

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.

Question bank