RRB RPF RPSF SI and CONS Model Papers 4 with solutions

Question : 24 of 122

Marks: +1, -0

Why is Ozone Layer important?

It absorbs greenhouse gases.
It protects Earth from ultraviolet radiation.
It maintains Earth's temperature.
It is a buffer against extra-terrestrial hazards.

Solution:

(2) Ozone Layer is important because it protects Earth from ultraviolet radiation. It contains high concentrations of ozone (O

_{3}

) in relation to other parts of the atmosphere. Most atmospheric ozone is concentrated in a layer in the stratosphere, about 15 to 30 km above the Earth's surface.

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