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MCQs

Total Questions : 16 | Page 2 of 2 pages
Question 11. .  The application of Gamma rays destroys botulism toxin. The dose of gamma rays required for this purpose is
  1.    73 Gy
  2.    73 Rad
  3.    7.3 Mrad
  4.    173 Rad
 Discuss Question
Answer: Option C. -> 7.3 Mrad
Question 12. . The Bacillus cereus causes gasteroenteritis by the production of an exoenterotoxin which is released in food as a result of
  1.    cell growth
  2.    cell autolysis
  3.    cell permeation
  4.    cell damage
 Discuss Question
Answer: Option B. -> cell autolysis
Question 13. . The milk streptococci produce acetoin that gets spontaneously oxidized yielding a flavorings agent (responsible for aroma of butter) that is
  1.    acetone
  2.    acetyl coA
  3.    butyric acid
  4.    diacetyl
 Discuss Question
Answer: Option D. -> diacetyl
Question 14.  Group I C. botulinum strains generally includes in
  1.    all types of strains (proteolytic)A, B and F
  2.    all types of strains (non-proteolytic) E and F
  3.    all types of strains (proteolytic)C, D and F
  4.    none of the above
 Discuss Question
Answer: Option A. -> all types of strains (proteolytic)A, B and F
Question 15. . Staphylococcal intoxication is caused by the toxin m the food from
  1.    Staphylococcus aureus
  2.    S. cerevisiae
  3.    S. thermophillus
  4.    none of these
 Discuss Question
Answer: Option A. -> Staphylococcus aureus
Question 16. . Staphylococcal intoxication is caused by the toxin m the food from
  1.    Staphylococcus aureus
  2.    S. cerevisiae
  3.    S. thermophillus
  4.    none of these
 Discuss Question
Answer: Option A. -> Staphylococcus aureus

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