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4 marksHomeostasis and Hormonal Action

CAPE Biology Unit 2 · January 2023 · Paper 2 · Question 2(a)

Define the terms 'effector' and 'receptor' and give ONE example of each. Effector: Definition, Example. Receptor: Definition, Example.

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  1. 2(b)Name a specialized cell found in the nervous system.[1 mark]
  2. 2(c)Define the term 'stimulus'.[2 marks]
  3. 2(d)(i)Explain how the response to a named stimulus is important for the survival of EACH of the following organisms. Earthworm: Stimulus, Response, How response aids…[4 marks]
  4. 2(d)(ii)Explain how the response to a named stimulus is important for the survival of EACH of the following organisms. Green plant: Stimulus, Response, How response…[4 marks]

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