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प्रश्न
Give scientific reasons:
Ozone present in the stratosphere is called as “good ozone”.
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उत्तर
Ozone present in the stratosphere is called as good ozone as this ozone absorbs UV rays from the sun which is harmful to living organisms. DNA and proteins of living organisms absorb UV rays and its high energy breaks down the chemical bonds within these molecules. This causes damage to skin cells and skin cancer of different types. A high dose of UV-B causes inflammation of the cornea called snow-blindness cataracts. This all is prevented by this stratosphere ozone as it absorbs UV rays.
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संबंधित प्रश्न
The harmful radiations absorbed by the ozone layer are ______.
Which radiations are absorbed by ozone layer?
Write the harmful effects of ozone depletion.
How Ozone is Formed?
How does ozone layer protect us from harmful effects in the environment?
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Which Gas is present in large amount in the upper part of stratosphere.
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
The substance which is chiefly responsible for the depletion of ozone layer is ______.
