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Industrially Useful Microbial Processes

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

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

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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. niger
A. oryzae
A. flavus
B. cereus

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin A
provitamin A
vitamin C
vitamin D

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

Leuconostoc mesenteroides
Lactobacillus bulgaricus
Lactobacillus delbrueckii
Rhizopus oryzae

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Industrially Useful Microbial Processes
A major organism used in commercial bioleaching for copper recovery is

Aspergillus niger
Thiobacillus ferrooxidans
Pseudomonas aeruginosa
Desulfovibrio desulfuricans

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Industrially Useful Microbial Processes
The recovery of vitamin from fermentation broth is carried out prior to

none of these
autolysis
acidification
alcohol treatment

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