Assertion : Sewage, industrial effluents and waste water are non-point sources of water pollution.
Reason : Surface runoff is point source of water pollution.

Options

A. (a) Both, Assertion and Reason, are true and Reason is the correct explanation of Assertion
B. (b) Both, Assertion and Reason, are true but Reason is not the correct explanation of Assertion
C. (c) If Assertion is true but Reason is false
D. (d) If Assertion is false but Reason is true

Answer

D

Explanation

Point source of water pollution is caused by discharge of effluents at one point. Non-point source of water pollution is caused by discharge of pollutants over a wide area. Sewage, industrial effluents and waste water are point source pollutants while surface runoff is a non-point source pollutant.