Presence of SO2 in atmosphere is indicated by:

Related Mcqs:

1. The concentration of SO2 in the atmosphere is around:

   A. 0.01 ppm
   B. 0.001 ppm
   C. 0.5 ppm
   D. 0.75 ppm

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. The presence of O3 in atmosphere of earth:

   A. Has been responsible for increasing the average global temperature in recent
   B. Is advantageous since it supplies O2 for people travelling in jets
   C. Hinders higher rate of photosynthesis
   D. Helps in checking the penetration of ultra violet rays to earth

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 gross production minus losses in an ecosystem is indicated as:

   A. Net production
   B. Secondary production
   C. Net storage
   D. Net primary production

8. The particulate matter dispersed in the atmosphere is:

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

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

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

10. The percentage of run off water reaching the ocean and evaporation into atmosphere is respectively:

    A. 27 & 73
    B. 73 & 27
    C. 37 & 63
    D. 63 & 37