SRMJEEE SERIES Biology
Ozone Depletion
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
2017 Chapter Questions 1 MCQs
01
PYQ 2017
medium
biology ID: srmjeee-
Which of the following acts as a natural sun block?
1
CFC
2
ozone
3
ammonia
4
D oxygen