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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
β-carotene is also known as

vitamin A
vitamin D
vitamin C
provitamin A

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Industrially Useful Microbial Processes
The sugar concentration of molasses used in fermentation should be

10-18%
20-30%
30-38%
4-5%

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Industrially Useful Microbial Processes
Rickes et al. recovered active crystalline vitamin B12 from the culture of

Streptomyces olivaceus
Streptomyces lactis
Streptomyces griseus
Bacillus megaterium

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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
Streptococcus lactis
Lactobacillus pentosus
Lactobacillus casei

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Industrially Useful Microbial Processes
Which of the following was the first amino acid to be produced commercially?

L-glutamic acid
L-methionine
L-lysine
L-cystine

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Industrially Useful Microbial Processes
The submerged fermentation of vinegar utilizes special fermentor designs known as

acetator
packed vinegar generator
cavitator
both (a) and (b)

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