Biology 9700 · AS & A Level · Cells as the basic units of living organisms

Cells as the basic units of living organisms — practice question

Infectious diseases can be caused by bacteria, protoctists and viruses. Different pathogens can spread through airborne droplets, from faeces to mouth (faecal-oral), by sexual intercourse and by vectors. Four infectious diseases are shown here. 1 cholera 2 HIV/AIDS 3 malaria 4 tuberculosis Which table correctly sorts the four diseases to show the type of pathogen responsible for each disease and the method of transmission?

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