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1 markVectors, Microorganism Control and Immunity

CSEC Human and Social Biology · January 2009 · Paper 2 · Question 9(b)(i)

You are designing an informational community poster about dengue fever awareness.

State the pathogen/causative organism that causes dengue fever.

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Other parts of this question

  1. 9(a)(i)Define the biological term 'vector'.[2 marks]
  2. 9(a)(ii)Name the specific vector responsible for transmitting dengue fever in the Caribbean.[1 mark]
  3. 9(b)(ii)State the specific clinical form of dengue fever characterized by bleeding manifestations.[1 mark]
  4. 9(b)(iii)Explain how the dengue virus is transmitted from person to person by its vector.[5 marks]

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