Question

Which of the following is not a waterborne disease?

• A. Cholera
• B. Asthma
• C. Typhoid
• D. None of these

Answer 1

The correct option is B

Asthma

The correct option is B.

Explanation of correct option:

1. The diseases caused by the consumption of drinking water, which are contaminated by disease-causing pathogens or microbes are known as waterborne diseases.
2. Examples of waterborne diseases are hepatitis A or E, etc.
3. Asthma is not a water-borne disease, it is a condition in which the airways inflame and narrow and may generate extra mucus.
4. This makes breathing tough, and instigates a whistling sound and coughing when one breathes out.
5. Asthma is a condition caused by a combination of inherited and environmental factors.
6. Getting exposed to different substances and irritants, which instigate allergens can trigger symptoms and signs of asthma.

Explanation of incorrect options:

Option A:

1. Cholera is a bacterial disease caused by Vibrio cholera bacteria.
2. It generally spreads through the consumption of contaminated water resulting in extreme dehydration and diarrhea.

Option C:

1. Typhoid fever is caused by the bacterium Salmonella typhi.
2. Typhoid can be caused by the consumption of contaminated water and food.
3. It can cause serious complications and can be fatal.

Final answer: Asthma is not a waterborne disease.