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3 marksVectors, Microorganism Control and Immunity

CSEC Human and Social Biology · January 2008 · Paper 2 · Question 5(a)

Mosquito life cycle and dengue transmission.

Complete the life cycle diagram of the mosquito by filling in the missing stages.

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Other parts of this question

  1. 5(b)(i)Describe how the Aedes aegypti mosquito transmits the dengue virus to humans.[2 marks]
  2. 5(b)(ii)Outline TWO environmental control measures a community can undertake to reduce mosquito vectors, explaining why each is effective.[4 marks]
  3. 5(b)(iii)Suggest ONE domestic action, other than community measures, to reduce dengue transmission in the home.[1 mark]

More practice: the rest of this paper · more Vectors, Microorganism Control and Immunity questions · all CSEC Human and Social Biology past papers