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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?

Gluconic acid
Citric acid
Lysine
Galactosidase

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

Lactobacillus bulgaricus
Leuconostoc mesenteroides
Rhizopus oryzae
Lactobacillus delbrueckii

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Industrially Useful Microbial Processes
Rickes et al. recovered active crystalline vitamin B12 from the culture of

Streptomyces lactis
Bacillus megaterium
Streptomyces griseus
Streptomyces olivaceus

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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

95%
99%
70%
60%

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Industrially Useful Microbial Processes
The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is

Lactobacillus pentosus
Lactobacillus bulgaricus
Streptococcus lactis
Lactobacillus casei

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Industrially Useful Microbial Processes
Which of the following organism is utilized for the production of D-L-alanine?

Microbacterium ammoniaphilum
Arthrobacter paraffineus
Brevibacterium flavum
C. glutamicum

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