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MCQs

Total Questions : 116 | Page 10 of 12 pages
Question 91. .  Chlorotetracycline a broad spectrum antibiotic is produced by
  1.    Streptomyces aureofaciens
  2.    Streptomyces rimosus
  3.    Streptomyces venezuelae
  4.    Streptomyces erythreus
 Discuss Question
Answer: Option A. -> Streptomyces aureofaciens
Question 92. .  Which of the following agents involve biosensors linking with electronic circuit?
  1.    Microorganisms
  2.    Microbially derived enzymes
  3.    Either microorganisms or microbially derived enzymes
  4.    Neither microorganisms nor microbially derived enzymes
 Discuss Question
Answer: Option B. -> Microbially derived enzymes
Question 93. . The production of acetic acid from ethanol is an
  1.    anaerobic process
  2.    aerobic process
  3.    a combination of both
  4.    none of the above
 Discuss Question
Answer: Option B. -> aerobic process
Question 94. . The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is
  1.    60%
  2.    95%
  3.    70%
  4.    99%
 Discuss Question
Answer: Option B. -> 95%
Question 95. . Vinegar is a fermentation derived food product containing not less than
  1.    4% acetic acid
  2.    15% acetic acid
  3.    25% acetic acid
  4.    6% acetic acid
 Discuss Question
Answer: Option A. -> 4% acetic acid
Question 96. .  β-carotene is also known as
  1.    vitamin A
  2.    provitamin A
  3.    vitamin C
  4.    vitamin D
 Discuss Question
Answer: Option B. -> provitamin A
Question 97. . The strain C. glutamicum can be used for the production of
  1.    L-ornithine
  2.    L-phenylalanine
  3.    L-glutamine
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 98. . Which of the following is known for greater stability of the riboflavin producing capacity?
  1.    Eremothecium ashbyii
  2.    Ashbya gossypii
  3.    Candida flareri
  4.    None of these
 Discuss Question
Answer: Option B. -> Ashbya gossypii
Question 99. . The organism used to produce L-glutamic acid is
  1.    Micrococcus glutamicus
  2.    Brevibacterium aminogenes
  3.    Arthrobacter globiformis
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 100. . The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is
  1.    Acetobacter curvum
  2.    Accetobacter orleanense
  3.    Acetobacter xylinum
  4.    Acetobacter schuetzenbachii
 Discuss Question
Answer: Option C. -> Acetobacter xylinum

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