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Subjects
Science CBSE
Class 8
Microorganisms - Friend and Foe
Helpful and diseasecausing microorganisms
9.
Vectors and its type
Exercise condition:
3
m.
Choose the best answer:
1
.
Vectors are ______
Living organisms
Intermediate carriers
Non-living organisms
Living organisms and Intermediate carriers
2
.
Which of the following are examples of insect vectors?
Bacteria
Mosquitoes
Virus
3
.
Mode of transmission of airborne disease
Contaminated food
Contaminated water
Contaminated air
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