A Best Way To Crack Gorenment Job Exams

Microbiology Objective Questions { Industrially Useful Microbial Processes }

22.  B. flavum strain can be used for the production of
C.L-Isoleucine and L-Histidine
D.All of the above
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23. A major organism used in commercial bioleaching for copper recovery is
A.Desulfovibrio desulfuricans
B.Pseudomonas aeruginosa
C.Aspergillus niger
D.Thiobacillus ferrooxidans
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24. During fermentation, pyruvic acid is converted into organic products such as
A.glucose and fructose
B.starch and cellulose
C.ethyl alcohol and lactic acid
D.citric acid and isocitric acid
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25. Which of the following are true for the heterofermentative microorganism producing lactic acid?
A.Only trace amounts of end products other than lactic acid
B.Some lactic acid with carbon dioxide, ethyl alcohol, acetic acid and trace amount of few other products
C.They are used for commercial lactic acid production
D.None of the above
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26. The submerged fermentation of vinegar utilizes special fermentor designs known as
C.packed vinegar generator
D.both (a) and (b)
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27. The major organism used in the microbial production of citric acid is
A.Penicillin notatum
B.Rhizopus nigrificins
C.Aspergillus niger
D.Lactobacillis delbrueckii
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28. Which of the following organism is utilized for the production of D-L-alanine?
A.Microbacterium ammoniaphilum
B.Brevibacterium flavum
C.Arthrobacter paraffineus
D.C. glutamicum
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