A person is infected with a bacterium. Over the next three days the person develops a fever and feels ill.
Explain why there are more bacteria in the person's body on day three than on day one.
Describe how the bacteria make the person feel ill.
A different person is infected with a virus instead of a bacterium. Describe how the virus damages this person's body.
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.