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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which species from the followings is resistant to methyl tryptophan?

B. subtilis
Candida utilis
Hansenula anomala
E. coli

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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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Industrially Useful Microbial Processes
Most productive species among the different vitamin B12 producing Pseudomonads is

P. denitrificans
P. aureofaciens
none of these
P. ovalis

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

anaerobic process
None of these
a combination of both
aerobic process

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

Desulfovibrio desulfuricans
Pseudomonas aeruginosa
Aspergillus niger
Thiobacillus ferrooxidans

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

both (a) and (b)
Pseudomonas
Acetobacter
Propionibacterium

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