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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
β-carotene is also known as

vitamin C
vitamin A
vitamin D
provitamin A

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Industrially Useful Microbial Processes
The production of acetic acid from ethanol is an

None of these
a combination of both
aerobic process
anaerobic process

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

170 proof
120 proof
190 proof
110 proof

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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
too high level prevents L-glutamic acid production
too low level prevents growths, hence L-glutamic acid production
both (a) and (b)

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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
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Lysine
Galactosidase
Gluconic acid
Citric acid

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