Which of the following is not a waterborne disease?
A
Cholera
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B
Asthma
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C
Typhoid
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D
None of these
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Solution
The correct option is B
Asthma
The correct option is B.
Explanation of correct option:
The diseases caused by the consumption of drinking water, which are contaminated by disease-causing pathogens or microbes are known as waterborne diseases.
Examples of waterborne diseases are hepatitis A or E, etc.
Asthma is not a water-borne disease, it is a condition in which the airways inflame and narrow and may generate extra mucus.
This makes breathing tough, and instigates a whistling sound and coughing when one breathes out.
Asthma is a condition caused by a combination of inherited and environmental factors.
Getting exposed to different substances and irritants, which instigate allergens can trigger symptoms and signs of asthma.
Explanation of incorrect options:
Option A:
Cholera is a bacterial disease caused by Vibrio cholera bacteria.
It generally spreads through the consumption of contaminated water resulting in extreme dehydration and diarrhea.
Option C:
Typhoid fever is caused by the bacterium Salmonella typhi.
Typhoid can be caused by the consumption of contaminated water and food.
It can cause serious complications and can be fatal.