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3.1 Communicable diseases

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Question 40
F

Which statement describes what a vector is?

[1]
A

A microorganism that reproduces inside the cells of a host

B

A poison released by bacteria that damages the body tissues

C

An organism that carries a pathogen from one host to another

D

A person who has a pathogen but does not show any symptoms

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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