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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Most productive species among the different vitamin B12 producing Pseudomonads is

none of these
P. aureofaciens
P. denitrificans
P. ovalis

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

both (a) and (b)
Acetobacter
Pseudomonas
Propionibacterium

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Industrially Useful Microbial Processes
Protease, which is used for flavouring of sake and haze removal in sake is produced by

A. flavus
A. niger
B. cereus
A. oryzae

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

120 proof
170 proof
110 proof
190 proof

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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
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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