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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
Na2SO4
CaCO3

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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
Lactobacillus pentosus
Streptococcus lactis

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

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

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Industrially Useful Microbial Processes
The production of acetic acid from ethanol is an

None of these
anaerobic process
a combination of both
aerobic process

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

both (a) and (b)
too high level prevents L-glutamic acid production
None of these
too low level prevents growths, hence L-glutamic acid production

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Industrially Useful Microbial Processes
B. flavum strain can be used for the production of

L-Proline
All of these
L-Threonine
L-Isoleucine and L-Histidine

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