At many places the wastewater containing human excreta from homes and carried in big underground pipes is dumped into a river as such which pollutes the river water.
(a) What is the common name of such wastewater?
(b) Name five types of harmful organisms contained in it.
(c) Name any five human diseases caused by drinking river water contaminated with such wastewater.

(a) The common name of such wastewater is Sewage.

(b) Sewage water contains bacteria, viruses, protozoa, fungi and parasites(worms) which may cause diseases like cholera, typhoid, and jaundice.

(c) Drinking river water contaminated with such wastewater can result in diseases such as Cholera, Typhoid, Diarrhea, Dysentery and Jaundice.


Simply Easy Learning

Updated on: 10-Oct-2022


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