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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Lysine
Citric acid
Gluconic acid
Galactosidase

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Industrially Useful Microbial Processes
The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is

70%
99%
60%
95%

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Industrially Useful Microbial Processes
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Pseudomonas
Propionibacterium
Acetobacter
both (a) and (b)

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Industrially Useful Microbial Processes
Which of the following microorganism produces only L(+) - lactic acid without further racemization ?

Lactobacillus delbrueckii
Rhizopus oryzae
Lactobacillus bulgaricus
Leuconostoc mesenteroides

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Industrially Useful Microbial Processes
The organism B. brevis can be used commercially for the production of

tyrothricin(bacitracin tyrocidin complex)
All of these
tyrocidin
gramicidin A

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Industrially Useful Microbial Processes
Penicillin G is also known as

2-pentenyl penicillin
hydroxy benzyl penicillin
benzyl penicillin
phenoxy methyl penicillin

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