RRB ALP 2014 Ques 108
Question: What is the function of Ozone layer?
Options:
A) Prevents harmful infra-red rays of the sun from reaching the earth
B) Prevents radiation escaping the earth, hence keeping it-warm
C) It is essential for rainfall
D) It filters harmful ultra-violet rays of the sun
Show Answer
Answer:
Correct Answer: D
BETA
