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According to Central Pollution Control B...

According to Central Pollution Control Board (CPCB), which particular size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?

A

2.50 micrometers

B

5.00 micrometers

C

10.00 micrometers

D

7.5 micrometers.

Text Solution

Verified by Experts

The correct Answer is:
A
Particulate matter causing air pollution is differentiated into settleable (larger than `10 mu` m) and suspended (less than `10 mu` m) particulate matteer. According to Central Pollution Control Board, particles of `2.5 mu` and lesser diameter are most harmful to human health as they can pass deep into lungs causing breathing and respiratory problems.
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