Question

A is a point source of water pollution, while is a non-point source of water pollution.

• A. residential area
• B. drainage pipe
• C. water treatment plant
• D. sewage treatment plant

Answer 1

Answer: (A), (B)

The correct options are
A residential area
B drainage pipe

Point sources are discrete source of water pollution like ships, drainage pipes and factory outlets.
Non-point source of water pollution is a combination of pollutants from a large area. For example, polluted water is emptied into streams or rivers after accumulating contaminants from sources like residential areas or construction sites.