This chapter is currently out of syllabus
1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order ?
A
SE < PE < S < DE
B
SE < S < PE < DE
C
PE < S < SE < DE
D
S < DE < PE < SE
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste waters into natural surface waters, is -
A
< 30 ppm
B
< 3.0 ppm
C
< 100 ppm
D
<10 ppm
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Montreal Protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year-
A
1988
B
1986
C
1985
D
1987
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Photochemical smog pollution does not contain-
A
Nitrogen dioxide
B
PAN (peroxy acyl nitrate)
C
Ozone
D
Carbon dioxide
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