This chapter is currently out of syllabus
1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following is the correct percentage of the two (out of the total of 4) greenhouse gases that contribute to the total global warming ?
A
CFCs 14%, Methane 20%
B
CO2 40%, CFCs 30%
C
N2O 6%, CO2 86%
D
Methane 20%, N2O 18%
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?
A
2.5 or less
B
1.5 or less
C
1.0 or less
D
5.2-2.5
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this?
(i) Lots of urea and phosphate fertilizer were used in the crops in the vicinity
(ii) the area was sprayed with DDT by an aircraft
(iii) The lake water turned green and stinky
(iv) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis
Which two of the above were the main causes of fish mortality in the lake?
A
(i), (ii)
B
(iii), (iv)
C
(i), (iii)
D
(ii), (iii)
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In a coal fired power plant electrostatic precipitators are installed to control emission of:-
A
SPM
B
SO2
C
CO
D
NOx
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