Ozone layer having:

Related Mcqs:

1. Ozone layer of upper atmosphere is being destroyed by:

   A. Sulphur di-oxide
   B. Carbon di-oxide
   C. Chloro-fluoro-carbon
   D. Smog

2. 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

3. Ozone layer in stratosphere is effected by:

   A. Excess CO2
   B. Excess CO
   C. Chloro-fluoro-carbon
   D. Low rainfall

4. The Antarctic ozone hole are:

   A. The name given to the first report of changes in the amount of ozone
   B. The upper layers of the atmosphere over the south pole
   C. Both (a) & (b)
   D. None of these

5. Formation of ozone hole is maximum over:

   A. China
   B. Antarctica
   C. Europe
   D. Africa

6. The result of ozone hole is:

   A. Global warming
   B. Acid rain
   C. Greenhouse effect
   D. The UV radiations reach the earth

7. Ozone hole is refers to as:

   A. Hole in ozone layer
   B. Decrease in the ozone layer in troposphere
   C. Decrease in thickness of ozone layer in stratosphere
   D. Increase in the thickness of ozone layer in troposphere

8. Ozone depletion in stratosphere shall result in:

   A. Forest fires
   B. Green house effect
   C. Global warming
   D. Increased incidence of skin cancer

9. Checking of re-radiating heat by atmospheric dust water vapour, ozone, CO2 is known as:

   A. Green house effect
   B. Radioactive effect
   C. Ozone layer effect
   D. Solar effect

10. A0 layer of soil contains

    A. Mineral soil
    B. Litter
    C. Unweathered material like rock
    D. None of the above