Ozone - GS questions based on daily current affairs

1)   When was International Day for the Preservation of the Ozone layer was celebrated?

a. 15 September
b. 16 September
c. 17 September
d. 5 June
Answer  Explanation 

ANSWER: 16 September

Explanation:
The year 2015 also marks the 30th anniversary of Vienna Convention for Protection of the Ozone Layer. The Montreal Protocol on Substances that Deplete the Ozone Layer was signed on September 16, 1987 and since then, this day us celebrated as the international dat for preservation of the ozone layer. The theme for this year's International Day for the Preservation of the Ozone layer was 30 Years of Healing the Ozone Together. The 2015 slogan was Ozone: All There is Between You and UV.

2)   Which of the following are sources of pollutants that adversely affect the ozone layer?

1) Bromine
2) Carbon tetrachloride
3) Nitric Oxide
4) Methyl chloroform
5) Chlorofluorocarbons

a. Only 1, 2 and 5
b. Only 1, 2, 3 and 5
c. Only 1, 3, 4 and 5
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
Other sources – Hydrochlorofluorocarbons, chlorine, halons, hydrobromofluorocarbons and methyl bromide.

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