Question

Mentioned below are a few sources of water pollution. These sources have been marked as point or non-point source. Select the option(s) that is/are wrong.

• A. City street - Point source
• B. Ship - Point source
• C. Drainage Pipe - Nonpoint source
• D. Farms - Point source

Answer 1

Answer: (A), (C), (D)

The correct options are
A City street - Point source
C Drainage Pipe - Nonpoint source
D Farms - Point source

There are two types of sources that pollute water - point and non-point sources. Point sources are easy to identify and are discrete like ships, drainage pipes and factory outlets. Non-point sources are cumulative sources of inputs arising from large areas such as farms and city streets.