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MCQs

Total Questions : 17 | Page 2 of 2 pages
Question 11.  The bacteria, used to examine the efficacy of autoclave, is
  1.    B polymyxa
  2.    B brevis
  3.    Bacillus stearothermophilus
  4.    B megaterium
 Discuss Question
Answer: Option C. -> Bacillus stearothermophilus
Question 12.  The test(s) which can be used to differentiate anthrax bacilli from anthracoid bacilli is/are
  1.    presence of medusa-head colony
  2.    presence of capsule
  3.    susceptibility to gamma phage
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 13.  Medusa head appearance of the colonies may be due to
  1.    Bacillus anthracis
  2.    Proteus mirabilis
  3.    Clostridium tetani
  4.    Pseudomonas aeruginosa
 Discuss Question
Answer: Option A. -> Bacillus anthracis
Question 14.  Koch's postulates were satisfied for the first time with
  1.    Clostridium tetani
  2.    Corynebacterium diphtheriae
  3.    Bacillus anthracis
  4.    Salmonella typhi
 Discuss Question
Answer: Option C. -> Bacillus anthracis
Question 15.  Food most often associated with emetic type of food poisoning caused by Bacillus cereus, is
  1.    Meat
  2.    Rice
  3.    Milk
  4.    Eggs
 Discuss Question
Answer: Option B. -> Rice
Question 16.  Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of
  1.    tetanus
  2.    anthrax
  3.    typhoid
  4.    cholera
 Discuss Question
Answer: Option B. -> anthrax
Question 17. . Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of
  1.    tetanus
  2.    anthrax
  3.    typhoid
  4.    cholera
 Discuss Question
Answer: Option B. -> anthrax

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