AQA GCSE Combined Science: Trilogy, topic 3
Infection and response
Pathogens such as viruses, bacteria, protists and fungi cause infectious diseases in animals and plants. This topic covers how diseases spread, how the body and plants defend themselves, and how vaccination, antibiotics and new medicines help us to prevent and treat disease.
Examined in Biology Paper 1 (1 hour 15 minutes, 70 marks). Combined Science: skip anything labelled Triple only.
Revision notes
Worksheet
FlashcardsSubtopics
Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each. Triple-only subtopics are left out.
- 1Communicable diseases Spec 4.3.1Pathogens and how they spread, human defences, vaccination, antibiotics, painkillers and how new medicines are developed.NotesQuestions 19Flashcards 51
Not in Combined Science: Monoclonal antibodies, Plant disease.
Whole topic
When you have done the subtopics: test yourself on everything, or print the lot.