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Industrially Useful Microbial Processes

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

99%
95%
70%
60%

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

Brevibacterium flavum
Arthrobacter paraffineus
Microbacterium ammoniaphilum
C. glutamicum

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Industrially Useful Microbial Processes
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are

human pathogens
plant pathogens
none of these
plant mutants

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

120 proof
110 proof
170 proof
190 proof

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Industrially Useful Microbial Processes
Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?

Ni
Co
Zn
Ca

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

Streptococcus lactis
Lactobacillus pentosus
Lactobacillus bulgaricus
Lactobacillus casei

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