What is the problem with sewage contaminated water? [2 MARKS]
Explanation: 2 Mark Water contaminated with sewage may contain bacteria, viruses, fungi and parasites which cause diseases like cholera, typhoid and jaundice.
What are the different ways in which water gets contaminated? [5 MARKS]
a) What is water pollution? Name any two sources of water pollution. [2 MARKS] b) The terms sewage, sewers, and sewerage are interlinked with each other. Explain each of them. [3 MARKS]