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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

CaCO3
(NH4)2 HPO4
MgSO4
Na2SO4

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

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

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin A
provitamin A
vitamin C
vitamin D

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Industrially Useful Microbial Processes
Penicillin G is also known as

phenoxy methyl penicillin
2-pentenyl penicillin
benzyl penicillin
hydroxy benzyl penicillin

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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
Lactobacillus pentosus
Lactobacillus casei
Streptococcus lactis

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

Galactosidase
Lysine
Gluconic acid
Citric acid

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