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3.1 Communicable diseases

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Question 74
F

Why does isolating an infected person reduce the spread of a communicable disease?

[1]
A

The pathogens inside the isolated person stop reproducing

B

The isolated person produces fewer toxins in their tissues

C

The pathogen changes so that it can no longer be spread

D

The isolated person has contact with fewer uninfected people

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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