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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Propionibacterium
both (a) and (b)
Acetobacter
Pseudomonas

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

Brevibacterium aminogenes
all of these
Arthrobacter globiformis
Micrococcus glutamicus

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin D
vitamin A
provitamin A
vitamin C

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Industrially Useful Microbial Processes
Penicillin G is also known as

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

MgSO4
Na2SO4
(NH4)2 HPO4
CaCO3

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Industrially Useful Microbial Processes
Species of the genus Streptomyces are known for

the production of cheese
the production of antibiotics
nitrification
the production of beer

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