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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?

Lysine
Galactosidase
Gluconic acid
Citric acid

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

acidification
none of these
alcohol treatment
autolysis

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Industrially Useful Microbial Processes
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Pseudomonas
Acetobacter
Propionibacterium
both (a) and (b)

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Industrially Useful Microbial Processes
Which of the following is known for greater stability of the riboflavin producing capacity?

Eremothecium ashbyii
None of these
Ashbya gossypii
Candida flareri

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin A
provitamin A
vitamin D
vitamin C

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

Streptococcus lactis
Lactobacillus casei
Lactobacillus bulgaricus
Lactobacillus pentosus

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