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3.1 Communicable diseases

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Question 46
F

In some countries a communicable disease is passed from one person to another by an insect that bites people. The insects breed in areas of still water.

a.

Name the term used for an organism that carries a pathogen from one organism to another.

[1]
b.

Suggest two ways the spread of this disease could be reduced. Do not refer to vaccination in your answer.

[2]
c.

Explain why reducing the number of these insects reduces the number of new cases of the disease.

[1]
Markscheme

3.1 Communicable diseases Questions

  1. GCSE
  2. /Biology
  3. /3.1 Communicable diseases

252 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.

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