Hormones — Paper 1 · IGCSE Biology (9-1) 0970

24 Which hormone is involved in the conversion of glucose to glycogen? A adrenaline B insulin C oestrogen D testosterone

1 marks

Answer: B

This question in 0970/11 May/June 2018

11 In which situation would insulin secretion usually increase? A after eating a meal B hearing a loud bang immediately behind you C listening to music D reading a book

1 marks

Answer: A

This question in 0970/12 Oct/Nov 2019

23 What causes the development of female secondary sexual characteristics? A adrenaline production B menstrual cycle starting C oestrogen production D ovulation occurring

1 marks

Answer: C

This question in 0970/11 May/June 2020

23 Examples of responses to hormones are listed. 1 increased breathing rate 2 increased pulse rate 3 growth of body hair 4 widened pupils Which responses are caused by the hormone adrenaline? A 1, 2, 3 and 4 B 1, 2 and 4 only C 2, 3 and 4 only D 3 and 4 only

1 marks

Answer: B

This question in 0970/12 May/June 2020

27 What are the effects of adrenaline on the human body? breathing rate pulse rate size of pupils A decreased decreased decreased B decreased decreased increased C increased increased decreased D increased increased increased

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2020

28 Which row matches each hormone to its function? causes the growth reduces blood repairs the widens of facial hair glucose concentration lining of the uterus the pupils A oestrogen insulin testosterone adrenaline B oestrogen insulin insulin testosterone C testosterone adrenaline insulin oestrogen D testosterone insulin oestrogen adrenaline

1 marks

Answer: D

This question in 0970/11 May/June 2021

26 Which hormone triggers the ‘fight or flight’ response? A testosterone B oestrogen C adrenaline D insulin

1 marks

Answer: C

This question in 0970/11 May/June 2022

27 Which endocrine gland produces insulin? A adrenal gland B ovary C pancreas D testes

1 marks

Answer: C

This question in 0970/12 May/June 2022

27 Which hormone causes an increase in breathing rate, an increase in heart rate and the widening of pupils? A insulin B adrenaline C oestrogen D testosterone

1 marks

Answer: B

This question in 0970/12 Oct/Nov 2022

31 Which hormone causes the development of secondary sexual characteristics in human males? A adrenaline B insulin C progesterone D testosterone

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2022

28 Which statement about adrenaline is correct? A It decreases the heart rate. B It decreases the diameter of the pupil. C It increases the breathing rate. D It is made in the pancreas.

1 marks

Answer: C

This question in 0970/11 May/June 2023

28 A hormone is injected into a person to reduce their blood glucose concentration. Which endocrine gland is not functioning properly in a person who needs to have this injection? A adrenal gland B ovary C pancreas D testis

1 marks

Answer: C

This question in 0970/12 May/June 2023

27 Which lines on the graphs show the effects of adrenaline on pupil diameter and heart rate? W Y pupil heart diameter rate X Z time time adrenaline is released adrenaline is released A W and Y B W and Z C X and Y D X and Z

1 marks

Answer: A

This question in 0970/12 Oct/Nov 2023

29 Where is insulin secreted, and what is its effect on blood glucose concentration? effect on blood secreted by glucose concentration A liver increases B liver decreases C pancreas increases D pancreas decreases

1 marks

Answer: D

This question in 0970/11 May/June 2024

26 Which row shows the effects of adrenaline secretion? pupil diameter heart rate A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0970/12 May/June 2024

28 What is an effect of adrenaline secretion? A decreased breathing rate B decreased pupil diameter C development of secondary sexual characteristics D increased heart rate

1 marks

Answer: D

This question in 0970/12 Oct/Nov 2024

26 Which hormone is produced by the pancreas? A adrenaline B insulin C oestrogen D testosterone

1 marks

Answer: B

This question in 0970/11 May/June 2025

24 The diagram shows the position of two glands in the body. gland 1 kidney duodenum gland 2 Which row states the hormones produced by these glands? gland 1 gland 2 A adrenaline insulin B amylase adrenaline C insulin lipase D lipase amylase

1 marks

Answer: A

This question in 0970/12 May/June 2025

20 A person is being chased. This causes a hormone to be released. Which row shows how this hormone affects the breathing rate, heart rate and pupil diameter? breathing rate heart rate pupil diameter A increases increases increases B increases decreases decreases C decreases increases increases D decreases decreases decreases

1 marks

Answer: A

This question in 0970/12 Oct/Nov 2025