AQA GCSE Biology, 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 Paper 1 (1 hour 45 minutes, 100 marks).
Revision notes
Worksheet
FlashcardsSubtopics
Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each.
- 1Communicable diseases Spec 4.3.1Pathogens and how they spread, human defences, vaccination, antibiotics, painkillers and how new medicines are developed.NotesQuestions 19Flashcards 51
- 2Monoclonal antibodies Triple onlyHigher tierSpec 4.3.2How monoclonal antibodies are produced from hybridoma cells and the ways they are used in diagnosis, research and treatment.NotesQuestions 5Flashcards 7
- 3Plant disease Triple onlySpec 4.3.3How plant diseases are detected and identified, ion deficiency conditions, and the physical, chemical and mechanical defences of plants.NotesQuestions 4Flashcards 8
Whole topic
When you have done the subtopics: test yourself on everything, or print the lot.