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Industrially Useful Microbial Processes

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

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

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

Pseudomonas
Propionibacterium
both (a) and (b)
Acetobacter

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

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

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

Lactobacillus pentose
Lactobacillus bulgaricus
Lactobacillus delbrueckii
Leuconostoc mesenteroides

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

invertase
racemase
isomerase
dehydrogenase

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Industrially Useful Microbial Processes
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

Lactobacillus pentosus
Leuconostoc mesenteroides
Lactobacillus delbrueckii
Lactobacillus bulgaricus

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