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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?

Ca
Ni
Co
Zn

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Industrially Useful Microbial Processes
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

A. niger
A. oryzae
all of these
A.flavus

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

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

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Industrially Useful Microbial Processes
The production of acetic acid from ethanol is an

a combination of both
None of these
anaerobic process
aerobic process

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Industrially Useful Microbial Processes
B. flavum strain can be used for the production of

All of these
L-Threonine
L-Proline
L-Isoleucine and L-Histidine

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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 bulgaricus
Streptococcus lactis
Lactobacillus casei

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