Global Environment Change and Ozone Depletion
Global Environment Change and Ozone Depletion: Overview
This Topic covers sub-topics such as Montreal Protocol, Ozone Depletion, Effects of Ozone Depletion, Dobson Units and, International Environmental Conventions
Important Questions on Global Environment Change and Ozone Depletion
Montreal Protocol was an international environmental convention.
Montreal protocol aims at control of water pollution.
Ozone hole results in
Expand the term ODS.
In which layer of the atmosphere, the ozone layer is found?
Which of the following is/are not greenhouse gas/es?
Which one of the following is a wrong statement?
_____ (Carbon dioxide/Carbon monoxide) is the most abundant greenhouse gas in the earth’s atmosphere.
The causes of ozone layer depletion :
Ozone level is measured by Dobson's unit.
The unit used to measure the thickness of ozone layer is(Dobson/ Decibel/ Pascal)
Why does ozone hole form over Antarctica?
The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following ozone-depleting molecules.
The Ozone Day is observed every year on September 16 as on this day in 1987 the _____ was signed for launching efforts to arrest the depletion of the fragile ozone layer in the stratosphere that prevents the harmful ultraviolet rays of the sun from reaching the earth. Fill the correct word in the blank.
Which of the followings is mainly responsible for ozone depletion?
Which harmful radiations are absorbed by ozone layer?
Match the items in column I and column II and choose the correct option.
| Column I | Column II |
| A. UV | (i) Biomagnification |
| B. Biodegradable Organic matter | (ii) Eutrophication |
| C. DDT | (iii) Snow blindness |
| D. Phosphates | (iv) BOD |
The zone of atmosphere in which the ozone layer is:
World Ozone Day is celebrated on
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers?
