Question

The most common carrier of communicable diseases is
(i) ant (ii) housefly (iii) dragonfly (iv) spider

NCERT Class 8th Science Chapter 2 Microorganisms: Friend and Foe

Answer 1

Correct Answer is option ii) House Fly.

Reason:

House Flies breed and feed on filthy places like garbage, uncovered food, animal excreta and dead organic matter which contains a lot of disease causing micro organisms .
When this contaminated food is consumed by man then he suffers with disease like cholera ,TB, Typhoid and Diarrhea
 
 

Answer 2

HEY!!

Housefly is the most common carrier of communicable diseases.