Question

21. What are (i) point source pollution and (ii) non-point source pollution? Give
one example of each.​

Answer 1

Answer:

Examples include smokestacks, discharge pipes, and drainage ditches. Factories and power plants can be a source of point-source pollution, affecting both air and water. ... Nonpoint-source pollution is the opposite of point-source pollution, with pollutants released in a wide area.

Answer 2

Details of Point source pollution and non-point source pollution are given below:

Point source Pollution:

• The pollution from a single source and which can be identified from which pollutants are discharged is called point source pollution.
• It can easily be identified.
• Examples of point source pollution are pollution from pipes, ships, and factories.

Non-Point Source Pollution

• The pollution is not caused by a single or identified source.
• It is difficult to identify.
• Examples of non-point source pollution include pollution from excessive fertilizers and chemicals from urban runoff.

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