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Industrially Useful Microbial Processes

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

Lactobacillus casei
Lactobacillus bulgaricus
Streptococcus lactis
Lactobacillus pentosus

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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?

Lactobacillus pentosus
Lactobacillus delbrueckii
Lactobacillus bulgaricus
Leuconostoc mesenteroides

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Industrially Useful Microbial Processes
A major organism used in commercial bioleaching for copper recovery is

Aspergillus niger
Pseudomonas aeruginosa
Thiobacillus ferrooxidans
Desulfovibrio desulfuricans

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

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

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Industrially Useful Microbial Processes
Vinegar is a fermentation derived food product containing not less than

4% acetic acid
25% acetic acid
6% acetic acid
15% acetic acid

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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?

Zn
Ca
Co
Ni

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