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प्रश्न
Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?
विकल्प
Cholera
Typhoid
Asthma
Dysentry
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उत्तर
Asthma
Explanation:
Asthma is an air borne respiratory disease. It is caused due to an allergy to dust, pollen grains or any other allergen present in the air.
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