This chapter is currently out of syllabus
1
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
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following statements is correct ?
A
Cyanobacteria such as Anabaena and nostoc are important mobilizers of phosphates and potassium for plant nutrition in soil
B
Both Azotobacter and Rhizobium fix atmospheric nitrogen in root nodules of plants
C
At present it is not possible to grow maize without chemical fertilizers
D
Extensive use of chemical fertilizers may lead to eutrophication of nearby water bodies
3
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
4
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
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