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Industrially Useful Microbial Processes

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

Propionibacterium
Acetobacter
both (a) and (b)
Pseudomonas

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Industrially Useful Microbial Processes
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

A. niger
A.flavus
all of these
A. oryzae

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Industrially Useful Microbial Processes
Which of the following organism produces enzyme taka diastase?

B. subtilis
A. niger
A. oryzae
S. cerevisiae

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Industrially Useful Microbial Processes
Fungal amylases using stationary culture with wheat bran utilizes

A. flavus
S. cerevisiae
A. niger
A. oryzae

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Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Lactobacillus pentose
Leuconostoc mesenteroides
Lactobacillus delbrueckii
Lactobacillus bulgaricus

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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

99%
70%
95%
60%

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