Quelpr
4 marksNervous Co-ordination

CAPE Biology Unit 2 · 2010 · Paper 2 · Question 5(a)(ii)

Nervous co-ordination and hormonal control.

A farmer has been exposed to an insecticide that inhibits the enzymatic breakdown of acetylcholine. Explain why this causes muscular twitching and spasms in the farmer.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 5(a)(i)Use an annotated diagram ONLY to describe the structure of a motor neurone.[5 marks]
  2. 5(b)(i)Outline TWO differences between hormonal and nervous control in animals.[2 marks]
  3. 5(b)(ii)With reference to diabetes mellitus, explain TWO ways in which a malfunction in hormone activity could lead to disease.[4 marks]

More practice: the rest of this paper · more Nervous Co-ordination questions · all CAPE Biology Unit 2 past papers