CBSE Class 8 Science
Question 5 of 14
Microorganisms : Friend and Foe — Question 5
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Question Question 2(d)
The most common carrier of communicable diseases is
- ant
- housefly
- dragonfly
- spider
housefly
Reason — When houseflies sit on the garbage and animal excreta, pathogens stick to their bodies. When these flies sit on uncovered food they may transfer the pathogens which makes us sick.