Mosquitoes live in the UK, but malaria is almost never caught in the UK. What is the best explanation for this?
Mosquitoes in the UK are unable to bite through human skin
The UK is too cold for mosquito eggs to hatch at any time
People in the UK are vaccinated against malaria as children
The protist that causes malaria is not present in UK mosquitoes
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.