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Industrially Useful Microbial Processes

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
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
Na2SO4
CaCO3
MgSO4

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin C
vitamin D
provitamin A
vitamin A

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of cobalt
traces of nickel
traces of iron
none of these

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

170 proof
120 proof
110 proof
190 proof

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

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

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