Which one of the following diseases is not due to contamination of water?
1. Hepatitis-B
2. Jaundice
3. Cholera
4. Typhoid
Ans. (a) Hepatitis-B is initially not caused by contamination of water, but by the exposure to infectious agents, on the other hand, jaundice, cholera, and typhoid are water and foodborne diseases that are caused by contamination of food item.
Page 276, XII NCERT
