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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are

human pathogens
none of these
plant mutants
plant pathogens

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

Lactobacillus bulgaricus
Lactobacillus delbrueckii
Lactobacillus pentose
Leuconostoc mesenteroides

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Industrially Useful Microbial Processes
The first penicillin isolated by Alexander Fleming, penicillin F is also called

2-Pentenyl Penicillin
benzyl penicillin
phenoxymethyl penicillin
n-heptyl penicillin

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Industrially Useful Microbial Processes
The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as

trickle method
Orleans process
both (a) and (b)
packed generator

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

dehydrogenase
invertase
racemase
isomerase

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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 delbrueckii
Lactobacillus pentosus
Lactobacillus bulgaricus

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