Diseases and immunity — Normal
Apply the topic independently and explain your method. No hints during the test.
Includes extension practice
Transmission, antibody specificity, vaccination and memory are required. Passive maternal immunity and detailed cholera-toxin/osmotic-diarrhoea mechanisms are added standalone-biology content.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge 0973 syllabus2028–2029 · B10.1.1–14
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