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9 marksDisease Classification and Pathogens

CSEC Human and Social Biology · May/June 2016 · Paper 2 · Question 5(b)

Ravi develops severe abdominal cramps and diarrhoea the morning after consuming oysters and a glass of water on vacation.

Discuss the disease Ravi most likely contracted, stating its name, causative organism, TWO possible transmission routes from his meal, and TWO preventative measures for the future.

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Other parts of this question

  1. 5(a)(i)Identify the single-celled organism that causes malaria, and state TWO tissues or organs it destroys in the human body.[3 marks]
  2. 5(a)(ii)List THREE symptoms of malaria.[3 marks]

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