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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
β-carotene is also known as

provitamin A
vitamin D
vitamin C
vitamin A

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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
liver extract
germinated seed

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Industrially Useful Microbial Processes
Which of the following Ascomycetes are used for riboflavin production?

Ashbya gossypii
Eremnothecium ashbyii
Candida guilliermondia
Both (a) and (b)

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

Lactobacillus casei
Lactobacillus bulgaricus
Streptococcus lactis
Lactobacillus pentosus

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Industrially Useful Microbial Processes
Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.

streptomycin
acetone butanol
ethanol
citric acid

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of nickel
traces of iron
traces of cobalt
none of these

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