Question

List two main causes of the pollution of water of the river Ganga. State how pollution and contamination of river water prove harmful for the health of the people of neighbouring areas.

Answer 1

Part (a): Causes of pollution in Ganga:

1. Disposing untreated industrial waste and sewage directly into the river.
2. Human activity like bathing and washing.
   

Part (b): Harmful effects of this water

1. Water constantly affects the ecosystem as harmful chemical molecules are reaching the water bodies that can harm the aquatic plants and animals.
   
2. The ​contaminants increase the chances of pathogens growing in water, which can spread water-borne disorders.