Which important greenhouse gas, other than carbon dioxide, is being produced from the agricultural fields?
1. Arsine
2. Sulphur dioxide
3. Ammonia
4. Nitrous oxide
Among the following, the one that is not a greenhouse gas is:
1. Sulphur dioxide
2. Nitrous oxide
3. Methane
4. Ozone
The phenomenon in which atmospheric gases trap the heat radiations from the sun near the earth’s surface and keeps it warm is known as-
1. Natural greenhouse effect
2. Tyndall effect
3. Heating effect
4. Joule’s effect
Pollution is a change in physical, chemical or biological characters of our land and water that may be
(1) Desirable and harmful to human
(2) Desirable and useful to a human
(3) Undesirable and harmful to human
(4) undesirable and useful to a human
Major pollutant in Jet plane emission is -
(1)
(2) CFC
(3) CO
(4)
Maximum green house gas released by which country
(1) India
(2) China
(3) U.S.A
(4) Britain
The ozone layer of the upper atmosphere is being destroyed by :
1. Sulphur dioxide
2. Carbon dioxide
3. Chlorofluorocarbon
4. Smog
... is not a greenhouse gas :-
1. Hydrogen
2. Carbon dioxide
3. Methane
4. Nitrous oxide or
Select the correct statement from the following statements?
(1) CO which is a major pollutant resulting from the combustion of fuels in automobiles plays a major role in photochemical smog
(2) Classical smog has an oxidizing character while the photochemical smog is reducing in character
(3) Photochemical smog occurs in day time whereas the classical smog occurs in the morning hours
(4) During formation of smog the level of ozone in the atmosphere goes down
A non-greenhouse gas is :
1. CO2
2. CH4
3. Chlorofluorocarbons
4. O2