Related Questions

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
A CO
B SO2
C NOx
D CFC (chloro fluoro carbons)
Although we are "concerned about" the problem of energy sources, we "must not" fail "recognizing" the need " for" environmental protection.
A concerned about
B must not
C fail
D for
The main environmental problem caused by the production of Greek yogurt is the creation of acid whey a by -product .
A with
B form
C of
D as
There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant?
A Mercury
B Arsenic
C Aluminium
D Lead
Which of the following pollutants is the major contributor to photochemical smog?
A Peroxynitrates
B Hydroperoxides
C Nitrogen dioxide
D Ozone
Which of the following pollutants is main product of automobile exhaust ?
A CO
B CO2
C NO
D Hydrocarbons
Which of the following pollutants, if present in atmosphere is detectable by its odour?
A CO
B SO2
C NO2
D CO2
Which of the following pollutants is not emitted during volcanic eruptions?
A SO2
B H2S
C CO
D Hydrocarbons
Which of the following is the most major constituents of air pollutants?
A Oxides of sulphur
B Oxides of nitrogen
C Carbon monoxide
D Hydrogen sulphide
'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'?
A Dust & mists
B Smoke & fumes
C Photochemical smog & soot
D None of these

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