MCQ
Biological importance of Ozone layer is
  • It stops ultraviolet rays
  • B
    Ozone rays reduce green house effect
  • C
    Ozone layer reflects radio waves
  • D
    Ozone layer controls $\mathrm{O}_2 / \mathrm{H}_2$ radio in atmosphere 

Answer

Correct option: A.
It stops ultraviolet rays
It stops ultraviolet rays

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