B.P.S.C. (C.D.P.O.) (Pre) 2022
The most common carrier of communicable diseases is
aAnt
bHousefly✓ Correct
cDragonfly
dSpider
eNone of the above / More than one of the above
Explanation
The most common carrier of infectious diseases is the house fly, because it carries germs from dirty places and contaminates human food. Also, by landing on human body parts, it helps in the spread of infectious diseases.
general-science