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Communicable diseases, disease prevention and the immune system

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Question 20

Which of the following interventions is/are effective in reducing the transmission or incidence of malaria within a human population?

  1. Eliminating standing bodies of water near residential areas
  2. Treating symptomatic individuals with a course of penicillin
  3. Utilizing insecticide-treated bed nets during hours of sleep
A

1, 2 and 3

B

Only 1 and 2

C

Only 1 and 3

D

Only 2 and 3

Markscheme

Communicable diseases, disease prevention and the immune system Questions

  1. A Level
  2. /Biology
  3. /Communicable diseases, disease prevention and the immune system

40 exam-style questions on OCR A A Level Biology Communicable diseases, disease prevention and the immune system. Each one has a worked solution and a mark scheme showing where the marks go.

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