CSEC Human and Social Biology · January 2009 · Paper 2 · Question 9(a)(i)
Define the biological term 'vector'.
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- 9(a)(ii)Name the specific vector responsible for transmitting dengue fever in the Caribbean.[1 mark]
- 9(b)(i)State the pathogen/causative organism that causes dengue fever.[1 mark]
- 9(b)(ii)State the specific clinical form of dengue fever characterized by bleeding manifestations.[1 mark]
- 9(b)(iii)Explain how the dengue virus is transmitted from person to person by its vector.[5 marks]
More practice: the rest of this paper · more Vectors, Microorganism Control and Immunity questions · all CSEC Human and Social Biology past papers