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1
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
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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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
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
A lake which is rich in organic waste may result in
A
mortality of fish due to lack of oxygen
B
increased population of fish due to lots of nutrients
C
increased population of aquatic organisms due to minerals
D
drying of the lake due to algal bloom
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The highest DDT concentration in aquatic food chain shall occur in
A
crab
B
Phytoplankton
C
eel
D
seagull

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