The ultraviolet radiations in the stratosphere are absorbed by
O2
O3
SO2
Argon
The process of deposition of acid on earth from the atmosphere is called
Air pollution
photochemical smog
Green house effect
Acid deposition
Wind blown acidic gases and particles settle down from the atmosphere on to the earth is called
Wet deposition
Dry deposition
Acid rain
smog
PAN is seen in
Respination
Cell division
Electron transport system
Mitosis
Which of the following is a secondary pollutant?.
PAN
H2S
NO2
Higher the BOD, lower would be
DO
COD
BOD
Both bank
Most effective device to remove particulate pollutants
Use of ESP
Use of cyclonic separators
use of arresters
Use of filters
Major source of methane in India is
Sugar canefields
Ricefields
Wheat fields
Fruit orchards
If the solar radiation is less the photo chemical smog formation becomes incomplete, the air is called
Grey air
Brown air
Green air
Both b and c
