1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following is not a biofertilizer ?
A
Agrobacterium
B
Nostoc
C
Rhizobium
D
Mycorrhiza
2
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
3
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
4
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

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