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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Gluconic acid
Lysine
Citric acid
Galactosidase

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Industrially Useful Microbial Processes
The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as

packed generator
both (a) and (b)
trickle method
Orleans process

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Industrially Useful Microbial Processes
The commonly used media for submerged bacterial fermentation at commercial scale is

beet molasses
none of these
germinated seed
liver extract

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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

none of these
plant pathogens
human pathogens
plant mutants

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin D
vitamin A
provitamin A
vitamin C

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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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