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3.1 Communicable diseases

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Question 46
F

The figure shows how Salmonella bacteria can pass from a chicken farm to a person. Two of the boxes, A and B, have been left empty.

Figure: Flow diagram showing how Salmonella bacteria can pass from a chicken farm to a person, with two boxes left empty

image

a.

Suggest what should be written in box A.

[1]
b.

Suggest what should be written in box B.

[1]
c.

Give one way that this chain could be broken on the farm.

[1]
d.

Explain how the bacteria in the person's body cause the symptoms shown in the last box.

[2]
Markscheme

3.1 Communicable diseases Questions

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

176 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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