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3 marksDiseases

CSEC Biology · January 2013 · Paper 2 · Question 6(b)(ii)

How are the methods used in the control of the spread of viruses among crop plants similar to those used to control the spread of viruses among farm animals?

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  1. 6(a)(i)Distinguish between artificial immunity and natural immunity. In your answer, explain how artificial immunity and natural immunity protect the human body…[6 marks]
  2. 6(a)(ii)Suggest TWO disadvantages of immunization.[2 marks]
  3. 6(a)(iii)The H1N1 virus is spread through the air. Suggest TWO precautions, other than immunization, that an individual can take to avoid getting the disease.[2 marks]
  4. 6(b)(i)Name a pathogenic disease that is spread in a manner different from the H1N1 virus and suggest ONE measure that may be taken to control the spread of this…[2 marks]

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