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प्रश्न
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
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उत्तर
The Stratosphere is the layer of the atmosphere that contains the protective ozone layer
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संबंधित प्रश्न
You have been selected to talk on 'ozone layer and its protection" in the school assembly on 'Environment Day.'
(a) Why should ozone layer be protected to save the environment?
(b) List any two ways that you would stress in your talk to bring in awareness amongst your fellow friends that would also help in protection of ozone layer as well as the environment.
Which radiations are absorbed by ozone layer?
Name the group of chemical compounds which damages the ozone layer.
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?
The depletion of the ozone layer is due to ______.
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
State how CFCs break ozone in the stratosphere.
Long answer type question
Montreal protocol is an essential step. Why is it so?
______ was signed in 1987 to control emission of ozone depleting substances.
