Question

The most common carrier of communicable disease is
(a)Ant
(b)Housefly
(c)Dragonfly
(d)Spider

Answer 1

Hint: The scientific name of the insect is Musca domestica. A communicable disease is a disease, which spreads from one person to another person or from a living organism to a person. It is also known as infectious or contagious diseases.

Complete answer:
The housefly is the major factor in contributing communicable diseases. It is the most common fly species found in our houses. Housefly feeds and meets waste products and eatables. When it flies from wastes to eatables, it transports the pathogenic bacterial agents from wastes to eatables. Due to the consumption of such eatables, the person is infected with microbes of various diseases and gets sick.

Additional Information: -A vector is an organism that does not cause disease itself but which spreads infection by conveying the pathogens from one host to another.
-The housefly is probably the widest distributed insect in the world.
-A single female housefly can lay up to 500 eggs in her lifetime, in several batches of about 75 to 150.
-Houseflies play an important ecological role in breaking down and recycling the organic matter.
-The houseflies can fly for several kilometers from their breeding places, carrying a wide variety of organisms on their hairs, mouthparts, vomits, and feces.
-Parasites carried by the houseflies include cysts of Entamoeba histolytica and Giardia lamblia and eggs Ascaris lumbricoides, Trichuris trichiura, Hymenolepis nana, and Enterobius vermicularis
So, the correct answer is, ‘Housefly.’

Note: House flies are called pests because they can carry pathogens on their bodies and in their feces, contaminate food, and contribute to the transfer of food-borne illnesses, while, in large numbers, they can be physically annoying.