Q. Consider the following statements::
1.Ozone is found mainly in stratosphere of the Earth.
2.The Montreal Protocol aims at phasing down the consumption and production of the different ozone depleting substances (ODS).
3.The Kigali Amendment of the Montreal Protocol aimed at phasing down CO2 on the lines of ozone depleting substances (ODS)..
Which of the statements given above is/are correct?

[A] 1 and 2 only

[B] 2 only

[C] 2 and 3 only

[D] 1, 2 and 3

Answer: A
Notes:

Explanation –

Statement 1 and 2 are correct. Ozone is mainly found mainly in stratosphere of the Earth. The Montreal Protocol aims at phasing down the consumption and production of the different ozone depleting substances (ODS).

Statement 3 is incorrect. The Kigali Amendment of the Montreal Protocol aimed at phasing down hydrofluorocarbons (HFCs).

Source: The Indian Express