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1
AIPMT 2015 Cancelled Paper
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+4
-1
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High value of BOD (Biochemical Oxygen Demand) indicates that :
A
water is highly polluted
B
consumption of organic matter in the water is higher by the microbes
C
water is pure
D
water is less polluted
2
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
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Rachel Carson's famous book "Silent Spring" is related to:
A
Population explosion
B
Pesticide pollution
C
Ecosystem management
D
Noise pollution
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
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A location with luxuriant growth of lichens on the trees indicates that the :
A
trees are very healthy
B
trees are heavily infested
C
location is highly polluted
D
location is not polluted
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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A scrubber in the exhaust of a chemical industrial plant removes :
A
particulate matter of the size 5 micrometer or above
B
particulate matter of the size 2.5 micrometer or less
C
gases like ozone and methane
D
gases like sulphur dioxide
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