NCERT Exemplar Solutions Class 7 Science Solutions for Wastewater Story - Exercise in Chapter 18 - Wastewater Story

Question 16 Wastewater Story - Exercise

Water polluted by various human activities causes a number of water-borne diseases. Which of the following is not a water-borne disease?

(a) Cholera

(b) Typhoid

(c) Asthma

(d) Dysentry


The answer is (c) Asthma.


Asthma is airborne disease whereas Cholera, Typhoid and dysentery are spread by contaminated water and food.

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