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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is

Streptococcus lactis
Lactobacillus bulgaricus
Lactobacillus pentosus
Lactobacillus casei

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Industrially Useful Microbial Processes
Which of the following microorganism produces only L(+) - lactic acid without further racemization ?

Leuconostoc mesenteroides
Lactobacillus delbrueckii
Lactobacillus bulgaricus
Rhizopus oryzae

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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 nickel
none of these
traces of cobalt

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Industrially Useful Microbial Processes
Which of the following was the first amino acid to be produced commercially?

L-methionine
L-lysine
L-cystine
L-glutamic acid

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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

99%
95%
60%
70%

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Industrially Useful Microbial Processes
Chlorotetracycline a broad spectrum antibiotic is produced by

Streptomyces venezuelae
Streptomyces erythreus
Streptomyces rimosus
Streptomyces aureofaciens

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