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1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Which of the following is a secondary pollutant?
A
CO
B
CO2
C
SO2
D
O3
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?
A
Carbon
B
Cl
C
Fe
D
Oxygen
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
World Ozone Day is celebrated on
A
5th June
B
21st April
C
16th September
D
22nd April
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which one of the following statements is not valid for aerosols ?
A
They alter rainfall and monsoon patterns
B
They have negative impact on agricultural land
C
They cause increased agricultural productivity
D
They are harmful to human health
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