plumiAdrenaline and fight or flight: Edexcel International A Level Biology questions
Edexcel International A Level Biology past-paper questions on 7.3.3 Adrenaline and fight or flight, 2019–2025, with mark schemes and examiner’s reports where available.
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Q7(c)
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All 10 questions on Adrenaline and fight or flight, as a list
- June 2025, Unit 5, Q7(c) (1 mark): Growth hormone stimulates the development of the gland that secretes the fight or flight hormone. Which hormone is the fight or flight hormone? (1) A adrenaline
- October 2024, Unit 5, Q2(a)(ii) (1 mark): Which is produced by an animal in a ‘fight or flight’ response? (1) A adenine B adrenaline C amylopectin D antihypertensive
- October 2023, Unit 5, Q6(a)(i) (1 mark): Which row in the table shows the effect of an increase in adrenaline in a mammal? (1) breathing rate heart rate A decreases increases B increases decreases C in
- October 2023, Unit 5, Q6(a)(ii) (3 marks): Nicotine is a drug found in tobacco products. The effect of changing the concentration of nicotine and adrenaline on the mean heart rate of Daphnia was investig
- June 2023, Unit 5, Q1(b)(i) (1 mark): Which is the name of the hormone involved in the fight or flight response? (1) A adrenaline B antidiuretic hormone C thromboplastin D uracil
- June 2023, Unit 5, Q1(b)(ii) (3 marks): Describe how this change in diameter is brought about by the muscles of the iris. (3)
- January 2023, Unit 5, Q7(b) (3 marks): When humans are in danger or under stress they respond by activating the ‘fight or flight’ response. Describe the role of adrenaline in the fight or flight resp
- June 2022, Unit 5, Q6(a) (1 mark): How many of these statements describe the effects of adrenaline in the “fight or flight” response? • arterioles constrict in skeletal muscles • glycogen is rele
- June 2022, Unit 5, Q6(b)(iii) (6 marks): Ageing is associated with changes in the way the heart responds to adrenaline. In an investigation, the effects of adrenaline on the hearts of young people and
- October 2021, Unit 5, Q7(c) (3 marks): Explain the effect of these drugs on the control of the heart rate. (3)
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