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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?

Na2SO4
(NH4)2 HPO4
MgSO4
CaCO3

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Industrially Useful Microbial Processes
The major organism used in the microbial production of citric acid is

Penicillin notatum
Rhizopus nigrificins
Lactobacillis delbrueckii
Aspergillus niger

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

Citric acid
Galactosidase
Gluconic acid
Lysine

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Industrially Useful Microbial Processes
Penicillin G is also known as

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

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Industrially Useful Microbial Processes
The first penicillin isolated by Alexander Fleming, penicillin F is also called

benzyl penicillin
phenoxymethyl penicillin
2-Pentenyl Penicillin
n-heptyl penicillin

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

anaerobic process
None of these
aerobic process
a combination of both

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