Ozone Hole - Multiple Choice Questions

1) Ozone hole usually do not occur in Arctic. The factor/factors responsible for the same is/are :

a) Presence of warm meteorological conditions.
b) Presence of weak circumpolar winds.
c) Both a) and b)
d) None of the above.

2) Which of the following free radicles contribute to the formation of ozone hole?

a) Chlorine ion
b) Bromine ion
c) Hydroxyl ion
d) All of the above

3) Ozone layer is present in which of the following atmospheric layers?

a) Troposphere
b) Stratosphere
c) Ionosphere
d) Mesosphere

4) Which of the following atmospheric phenomenon is not conducive to ozone hole formation?

a) Presence of free radicles.
b) Presence of warm meteorological conditions.
c) Formation of Polar Stratospheric Cloud.
d) Presence of strong circumpolar winds.

5) The Kigali Amendment to Montreal Protocol was related to which of the following Ozone Depleting Compounds?

a) Hydrofluorocarbons
b) Chlorofluorocarbons
c) Hydrochlorofluorocarbons
d) All of the above

Answers

1) c
2) d
3) b
4) b, Presence of cold meteorological conditions.
5) a