Ozone Depletion
Ozone Depletion: Overview
This topic covers concepts, such as Ozone Depletion, Effects of Ozone Depletion, Montreal Protocol, and Dobson Units.
Important Questions on Ozone Depletion
Which of the following gases are responsible for depleting ozone in the stratosphere?


Dobson units are used to measure thickness of:

Match the entries in columns I and II and choose the correct pairs from the choices below.
Column I | Column II | ||
A | High | Skin cancer | |
B | Ozone hole | Greenhouse gas | |
C | Nino effect | Food chain | |
D | Biomagnification | Water pollution |

In which layer of the atmosphere, the ozone layer is found?

Which one of the following is a wrong statement?



Montreal protocol was signed in 1987 for control of

Snow-blindness in Antarctic region is due to

The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following ozone-depleting molecules.

Which of the followings is mainly responsible for ozone depletion?

Which harmful radiations are absorbed by ozone layer?


Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by : -


Thickness of the ozone layer is measured is

The health disorders caused due to UV rays include

Which of the following elements act as a catalyst in the degradation of ozone and release of molecular oxygen in the stratosphere?

