All are water-borne diseases except–

Correct option is D

Sol. Tuberculosis is an air-borne disease spread via droplets from coughing or sneezing. The other three diseases are spread primarily through contaminated water and food.
Explanation of each option:
· (a) Hepatitis-A – A water-borne viral disease transmitted via contaminated food or water, common in areas with poor sanitation.
· (b) Typhoid fever – Caused by Salmonella typhi, it spreads via the fecal-oral route through contaminated water or food.
· (c) Dysentery – This includes bacterial and amoebic forms, both of which are water/food-borne intestinal infections.
· (d) Tuberculosis – Correct answer. Spread through air-borne droplets, not through water, and primarily affects lungs.