Paper 2 · Infectious and non-infectious disease, STIs
Which of the following is true of an infectious disease but not a non-infectious disease?
AIt is caused by inheritance or diet, which describes a non-infectious disease, not one caused by a pathogen
BIt is caused by a pathogen and can be transmitted between people
CIt cannot be transmitted from person to person, which is a feature of non-infectious disease
DCommunity hygiene has no effect on its occurrence, though hygiene strongly affects pathogen spread
Explanation: Infectious diseases are caused by pathogens and can be transmitted between people.
Derived from ZIMSEC Biology 4025/2 Paper 2 Theory, June 2019, Q11
