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3.1 Communicable diseases

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Question 106
F

In some countries low doses of antibiotics are added to the feed of healthy farm animals. Suggest why this practice is being banned.

[1]
A

It causes the farm animals to become resistant to their own bacteria

B

It means antibiotics can no longer be used to treat viral infections

C

It reduces the number of farm animals that can be kept on one farm

D

It increases the chance that resistant strains of bacteria develop

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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