A doctor prescribes a course of antibiotics to a patient with a bacterial infection.
The patient feels better after three days and stops taking the antibiotics. Explain why the patient should have completed the course of antibiotics.
Give one reason why doctors should not prescribe antibiotics for a cold.
Explain why antibiotic-resistant bacteria spread quickly in hospitals.
44 exam-style questions on Edexcel GCSE Biology 4.1 Evolution and natural selection, covering 4.1.1 Work of Darwin and Wallace and 4.1.2 Resistant organisms and evolution. Each one has a worked solution and a mark scheme showing where the marks go.