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3.1 Communicable diseases

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Question 18
F

In the UK, poultry are vaccinated against Salmonella. Why does this reduce the number of cases of Salmonella food poisoning in people?

[1]
A

Fewer chickens carry the bacteria, so less contaminated meat is eaten

B

Fewer chickens carry the bacteria, so people are immune to the toxins

C

The vaccine passes into the meat, so people are vaccinated as they eat

D

The vaccine kills the bacteria in the meat while the meat is cooking

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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