1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Continuous addition of sugars in 'fed batch' fermentation is done to :
A
obtain antibiotics
B
produce methane
C
purify enzymes
D
degrade sewage
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 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
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following is mainly produced by the activity of anaerobic bacteria on sewage ?
A
Propane
B
Mustard gas
C
Marsh gas
D
Laughing gas

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