Two measures are proposed to reduce tuberculosis transmission in a classroom.
P: improve ventilation
Q: disinfect the drinking-water supply
Which judgement is correct?
Q is more relevant because tuberculosis bacteria spread in drinking water
P is more relevant because tuberculosis protists spread in airborne droplets
P is more relevant because tuberculosis bacteria spread in airborne droplets
Q is more relevant because tuberculosis viruses spread in drinking water
43 exam-style questions on Edexcel GCSE Biology 5.1 Health and communicable disease, covering 5.1.1 Communicable and non-communicable diseases, 5.1.2 Disease susceptibility interactions, 5.1.3 Pathogens as disease-causing organisms, 5.1.4 Common infections, 5.1.5 Spread and prevention of pathogens, 5.1.6 Lifecycle of a virus, and 5.1.7 Spread and prevention of STIs. Each one has a worked solution and a mark scheme showing where the marks go.