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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
β-carotene is also known as

vitamin D
provitamin A
vitamin C
vitamin A

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

Lactobacillus bulgaricus
Lactobacillus pentosus
Streptococcus lactis
Lactobacillus casei

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

None of these
both (a) and (b)
too high level prevents L-glutamic acid production
too low level prevents growths, hence L-glutamic acid production

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

Aspergillus niger
Pseudomonas aeruginosa
Thiobacillus ferrooxidans
Desulfovibrio desulfuricans

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Industrially Useful Microbial Processes
Species of the genus Streptomyces are known for

the production of cheese
nitrification
the production of beer
the production of antibiotics

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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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