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Industrially Useful Microbial Processes

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
none of these
traces of cobalt

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Industrially Useful Microbial Processes
The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is

60%
99%
95%
70%

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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
The major organism used in the microbial production of citric acid is

Aspergillus niger
Rhizopus nigrificins
Lactobacillis delbrueckii
Penicillin notatum

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

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

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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
CaCO3
MgSO4

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