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3.1 Communicable diseases

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Question 32
F

The people in a village drain every pool of still water near their houses. Why does this reduce the number of cases of malaria?

[1]
A

Protists live in still water, so fewer protists get into drinking water

B

Mosquitoes lay their eggs in still water, so fewer mosquitoes develop

C

Mosquitoes drink still water, so fewer of them survive the dry season

D

Protists breed in still water, so fewer of them can infect a mosquito

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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