1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Secondary sewage treatment is mainly a :
A
Mechanical process
B
Chemical process
C
Biological process
D
Physical process
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Ethanol is commercially produced through a particular speciesl of :
A
Clostridium
B
Trichoderma
C
Aspergillus
D
Sanccharomyces
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
An example of endomycorrhiza is -
A
Nostoc
B
Rhizobium
C
Glomus
D
Agaricus
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Select the correct statement from the following:
A
Methanobacterium is an aerobic bacterium found in rumen of cattle
B
Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria
C
Biogas, commonly called gobar gas, is pure methane
D
Biogas is produced by the activity of aerobic bacteria on animal waste

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