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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

Acetobacter xylinum
Accetobacter orleanense
Acetobacter curvum
Acetobacter schuetzenbachii

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

Lactobacillus bulgaricus
Lactobacillus pentose
Lactobacillus delbrueckii
Leuconostoc mesenteroides

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

Lactobacillus pentosus
Lactobacillus casei
Lactobacillus bulgaricus
Streptococcus lactis

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

110 proof
120 proof
190 proof
170 proof

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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?

(NH4)2 HPO4
CaCO3
Na2SO4
MgSO4

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

Arthrobacter globiformis
Micrococcus glutamicus
all of these
Brevibacterium aminogenes

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