The concentration of SO2 in the atmosphere is around:

Related Mcqs:

1. Presence of SO2 in atmosphere is indicated by:

   A. Mosses B. Liver worts C. Lichens D. Ferns...

2. The SO2 is returned to the atmosphere by:

   A. Metabolism of producers B. Metabolism of consumers C. Both (a) & (b) D. Combustion of fuel...

3. Acid rain is mainly caused by increased concentration (in atmosphere) of:

   A. Ozone and dust B. NH3 and SO3 C. CO and SO3 D. NO2 and SO2...

4. Pollution of SO2 destroy:

   A. Fungi B. Lichen C. Algae D. Fishes...

5. Some reliable indicators of air pollutants (SO2 and noxious gases) are:

   A. Ferns and Cycas B. Green algae and aquatic liverworts C. Lichens and mosses D. Neem’ tree and Eichhornia...

6. The component of a living cell affected by the pollutant SO2 is:

   A. Nucleus B. All cell membrane system C. Cell wall D. Plasmodesmata...

7. The particulate matter dispersed in the atmosphere is:

   A. Gaseous B. Mainly gaseous C. Non-gaseous D. Mainly non-gaseous...

8. The zone of atmosphere that lies near the ground is:

   A. Troposphere B. Stratosphere C. Homosphere D. Heterosphere...

9. The lowest temperature in the atmosphere is recorded at:

   A. Mesopause B. Tropopause C. Stratopause D. All of these...

10. What are the chief pollutants of the atmosphere which are most likely to deplete the ozone layer?

    A. Sulphur di-oxide B. Carbon di-oxide C. Nitrogen oxides and fluoro-carbons D. Carbon monoxide...