Q. 26 B3.5( 12 Votes )

State the harmful effects of water pollution.

Answer :

Pollution is not a distant phenomenon anymore. It is affecting the quality of our day to day lives. Following are harmful effects of water pollution:

● The chemicals such as arsenic, lead and flourides discharged by the industries are very toxic to plants and animals.


● The hot water released by certain industries raises the temperature of the water body. It adversely affects the plants and animals living in it.


● The fertilizers act as nutrients for the algae to grow. When these algae die, they act as a nutrient for decomposers like bacteria. As a result of this process, a lot of oxygen in the water gets used up and leads to the deficiency of Oxygen in the water. This may kill the aquatic organisms.


Water contaminated with sewage may contain bacteria, viruses, fungi and parasites which can cause diseases like cholera, typhoid and jaundice.


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