A laboratory test shows that a patient is infected with the bacterium that causes gonorrhoea.
How is the bacterium most likely to have passed to the patient?
Through the bite of an insect carrying the bacterium
By drinking water that contains the bacterium
Through a small cut in the patient's skin
During sexual contact with an infected person
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.