From Paper 2: Advanced Physiology, Evolution and Ecology
5(a)4 marks
Explain how the body responds to a rise in core body temperature.
From Paper 2: Advanced Physiology, Evolution and Ecology
5(b)4 marks
Describe ultrafiltration in the glomerulus.
From Paper 2: Advanced Physiology, Evolution and Ecology
5(c)4 marks
Explain how a nerve impulse is propagated along a myelinated axon.
From Paper 2: Advanced Physiology, Evolution and Ecology
5(d)4 marks
Describe how light causes a generator potential in a rod cell.
From Paper 2: Advanced Physiology, Evolution and Ecology
6(a)4 marks
Explain how phytochrome controls flowering in a long-day plant.
From Paper 2: Advanced Physiology, Evolution and Ecology
6(b)4 marks
Explain how auxin causes a shoot to bend towards light.
From Paper 2: Advanced Physiology, Evolution and Ecology
8(a)6 marks
Describe how fMRI and CT scans are used to investigate brain structure and function, and give one limitation of each.
From Paper 2: Advanced Physiology, Evolution and Ecology
8(b)4 marks
Explain how a drug that inhibits the breakdown of a neurotransmitter could affect synaptic transmission.
From Paper 2: Advanced Physiology, Evolution and Ecology
10*6 marks
Explain how the structure of the alveoli and the control of breathing allow gas exchange to keep pace with demand during exercise.
Score 0 / 40 · 0 of 9 marked
This paper is written by Plasmo in the style of the Edexcel A-Level Biology exam. It is not a past paper and is not produced or endorsed by the exam board.
Control systems Exam Questions: Edexcel A-Level Biology | Plasmo