INDUSTRIAL MICROBIOLOGY MCQ 007

61. Aspergillus niger is used generally for the production of
a. Ethanol
b. Penicillin
c. Citric acid
d. Lactic acid
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62. In the citric acid production, the pH to be maintained in the fernmenter is
a. 7.0
b. 5.0 to 6.0
c. 8.0 to 9.0
d. 1.0 to 6.0
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63. The required temperature for the production of citric acid is
a. 10oC – 80oC
b.30oC – 50oC
c. 20oC – 50oC
d.25oC – 30oC
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64. The penicillin produced in large scale submerged fermentations are
a. Penicillin-A
b. Penicillin-D
c. Penicillin-G
d. None of these
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65. The strain of fungi used for the large scaleproduction of penicillin is
a. Penicillium chrysogenum
b. P-notatum
c. Streptomyces Aurecus
d. Saccharomyces sps
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66. 6-amino penicillic acid is prepared from penicillin sps by
a. Acylase
b. Punicillin acylase
c. Penicillinone
d. None of these
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67. The pH, to be maintained for the production of penicillin is
a. 7.5
b. 6.5
c. 8.0
d. 5.0
See Answer:

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