Ozone hole is substantial depletion of ozone in every year during__________________?

Related Mcqs:

1. In which of the following layer of atmosphere there is more thickness of ozone layer ?

   A. troposphere B. stratosphere C. mesosphere D. photosphere...

2. Which of the following air pollutants is more dangerous for ozone layer ?

   A. CFC B. CO2 C. CO D. Oxides of nitrogen...

3. A single chlorine free radical can destroy how many ozone molecules ?

   A. 10 B. 100 C. 10000 D. 100000...

4. which Compound Destroy The OZONE ?

   A. CFCs B. CH3COOH C. BOTH A & B D. None Of These Submitted by: Ali Jan...

5. The rate of formation of ozone depends on the flux of:

   A. visible radiation B. Ultra violet radiation C. Infrared radiation D. Gamma rays Submitted by: Said wali shah...

6. Ozone is formed in the upper layer of the atmosphere from oxygen by action of:____________?

   A. Free radicals B. Cosmic rays C. Nitrogen oxides  D. UV -rays Submitted by: Said wali shah...

7. Acid present in acid rain may be__________________?

   A. H2SO4 B. HNO3 C. both A and B D. none...

8. Newspaper can be recycled again and again how many times ?

   A. 2 B. 3 C. 4 D. 5...

9. Which of the following is not a heavy industry ?

   A. iron B. fertilizer C. paper D. none...

10. Which of the following gases is the main cause of acid rain ?

    A. CO B. NO2 C. both a & b D. none of the above...