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Question

Statement 1: Mosquitoes serve as the carrier for various diseases.

Statement 2: Female Anopheles mosquito acts as the carrier for dengue virus.

Statement 3: Pathogens are transmitted only by direct contact with the infected individual.

A
Only statement 1 is correct
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B
Only statement 2 is correct
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C
Only statement 3 is correct
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D
All the statements are correct
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Solution

The correct option is A Only statement 1 is correct
  • Mosquitoes serve as the carrier or vector for many diseases. E.g., malaria, dengue, etc.
  • Malaria is caused by Plasmodium species. It is transmitted by the bite of an infected female Anopheles mosquito. On the other hand, dengue fever can be transmitted by female Aedes species.
  • Pathogens are disease causing microorganisms. They can be transmitted by contaminated air, water, soil, by direct contact with an infected individual or animal.

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