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Question
The depletion of the ozone layer is due to ______.
Options
CO2
CO
CH4
CFCs
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Solution
The depletion of the ozone layer is due to CFCs.
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RELATED QUESTIONS
What step has been taken by UNEP in 1987 to prevent too much damage to the ozone layer?
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
The gas A is used by most of the animals to obtain energy from food by the process of respiration. When A is acted upon by radiation X, it gets converted into another gas B which is an allotrope of A but poisonous when inhaled. B forms a kind of layer C in the upper atmosphere which absorbs radiations X coming from a source Y and prevent them from reaching the earth. Some chemicals Z released from the various devices on the earth are destroying the layer C slowly. In fact, a hole has already been formed in layer C over the area D of the earth.
(a) What are gases (i) A, and (ii) B? Write their molecular formulae.
(b) Name the layer C.
(c) What are (i) X, (ii) Y, and (iii) Z?
(d) Name the area D.
(e) Name any two human ailments which may be caused by X.
‘There is a hole in the ozone layer’. What do you understand by this?
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
Name the chemicals responsible for destruction of the ozone layer. State the main chemical from these chemicals, which is responsible for more than 80% ozone depletion.
The problem caused due to ozone hole is ______.
Which of the following radiations is responsible for the conversion of atmospheric oxygen to ozone?
______ was signed in 1987 to control emission of ozone depleting substances.
Why was there a sharp in the amount of ozone in the atmosphere in 1980’s.
