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Question 18
Vectors can be defined as


(a) animals carry the infecting agents from sick person to another healthy person
(b) microorganisms which cause many diseases
(c) infected person
(d) diseased plants


Solution

(a) animals carry the infecting agents from sick person to another healthy person

Vectors can be defined as animals that carry the infecting agents from a sick person to another healthy person. Mosquitoes are vectors for many diseases.

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