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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Lactobacillus pentose
Leuconostoc mesenteroides
Lactobacillus bulgaricus
Lactobacillus delbrueckii

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Industrially Useful Microbial Processes
The sugar concentration of molasses used in fermentation should be

30-38%
4-5%
10-18%
20-30%

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

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

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Industrially Useful Microbial Processes
Which of the following Ascomycetes are used for riboflavin production?

Candida guilliermondia
Both (a) and (b)
Ashbya gossypii
Eremnothecium ashbyii

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Industrially Useful Microbial Processes
The organism used to produce L-glutamic acid is

Arthrobacter globiformis
Micrococcus glutamicus
Brevibacterium aminogenes
all 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?

Na2SO4
(NH4)2 HPO4
MgSO4
CaCO3

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