English

Harmful UV rays of sun are absorbed by ______.

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Question

Harmful UV rays of sun are absorbed by ______.

Options

  • Carbon dioxide

  • Ozone

  • Oxygen

  • Helium

MCQ
Fill in the Blanks
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Solution

Harmful UV rays of sun are absorbed by Ozone.

Explanation:

Stratospheric ozone absorbs much of the Sun’s harmful ultraviolet radiation. Carbon dioxide is associated with the greenhouse effect, while oxygen and helium are not the protective UV-absorbing layer.

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Chapter 20: Environmental Issues - EXERCISES [Page 1152]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 20 Environmental Issues
EXERCISES | Q I. 17. | Page 1152
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