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 2007
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following is not a bioindicator of water pollution ?
A
Blood-worms
B
Stone flies
C
Sewage fungus
D
Sludge-worms
3
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
4
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
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