The presence of O3 in atmosphere of earth:

Related Mcqs:

1. If there were no CO2 in the earth’s atmosphere, the temperature of earth’s surface would have been:

   A. same as present
   B. Less than the present
   C. Higher than the present
   D. Dependent on the amount of O2 in the atmosphere

2. Presence of SO2 in atmosphere is indicated by:

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

3. The earth’s atmosphere in which organisms live, is called:

   A. Ecosystem
   B. Ectosome
   C. Biosphere
   D. Bioeconomic

4. All the living organisms on the earth interacting with atmosphere constitute:

   A. Biosphere
   B. Community
   C. Biome
   D. Association

5. The earth’s atmosphere contains over _____ % by volume of nitrogen gas:

   A. 58
   B. 68
   C. 78
   D. None of these

6. Geology is the study of earth. Earth’s crust is divided into:

   A. Ocean
   B. Continents
   C. Both (a) & (b)
   D. None of these

7. The particulate matter dispersed in the atmosphere is:

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

8. 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

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

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

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