36. Chlorotetracycline a broad spectrum antibiotic is produced by
A.Streptomyces aureofaciens
B.Streptomyces rimosus
C.Streptomyces venezuelae
D.Streptomyces erythreus
37. The production of acetic acid from ethanol is an
A.anaerobic process
B.aerobic process
C.a combination of both
D.none of the above
38. Which of the following agents involve biosensors linking with electronic circuit?
A.Microorganisms
B.Microbially derived enzymes
C.Either microorganisms or microbially derived enzymes
D.Neither microorganisms nor microbially derived enzymes
39. β-carotene is also known as
A.vitamin A
B.provitamin A
C.vitamin C
D.vitamin D
40. Vinegar is a fermentation derived food product containing not less than
A.4% acetic acid
B.15% acetic acid
C.25% acetic acid
D.6% acetic acid
41. The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is
A.60%
B.95%
C.70%
D.99%
42. The strain C. glutamicum can be used for the production of
A.L-ornithine
B.L-phenylalanine
C.L-glutamine
D.all of these
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