MCQ
The ozone layer of the atmosphere blocks:
- AInfrared radiations.
- BSunlight.
- ✓$UV$ radiations.
- DBoth $UV$ and indrared radiation.
✓
Answer
Correct option: C.
$UV$ radiations.
Ozone layer blocks the $UV$ radiations coming from sun and thus preventing organisms on earth from various diseases like cataract and preventing the immune system from weakening.
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