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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Penicillin G is also known as

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

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of iron
traces of cobalt
traces of nickel
none of these

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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?

CaCO3
(NH4)2 HPO4
MgSO4
Na2SO4

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

110 proof
170 proof
190 proof
120 proof

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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

95%
60%
70%
99%

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Industrially Useful Microbial Processes
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

Leuconostoc mesenteroides
Lactobacillus bulgaricus
Lactobacillus delbrueckii
Lactobacillus pentosus

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