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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?

(NH4)2 HPO4
MgSO4
CaCO3
Na2SO4

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Industrially Useful Microbial Processes
Penicillin G is also known as

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

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

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

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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 pentosus
Lactobacillus casei
Lactobacillus bulgaricus

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Industrially Useful Microbial Processes
Cycloserine may be isolated from the cultures of

S. garyphalus
All of these
S. orchidaceus
S. lavendulae

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

citric acid
streptomycin
acetone butanol
ethanol

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