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MCQs

Total Questions : 212 | Page 7 of 22 pages
Question 61. The putrifactive anaerobes grow best in the
  1.    low acid canned foods
  2.    medium acid canned foods
  3.    high acid canned foods
  4.    any of these
 Discuss Question
Answer: Option A. -> low acid canned foods
Answer: (a).low acid canned foods
Question 62. High acid foods with a pH above 5.3 are especially subjected to
  1.    flat sour spoilage
  2.    putrefaction
  3.    both (a) and (b)
  4.    TA spoilage
 Discuss Question
Answer: Option C. -> both (a) and (b)
Answer: (c).both (a) and (b)
Question 63. The staphylococcal intoxication refers to presence of
  1.    an enterotoxin
  2.    neurotoxin
  3.    mycotoxin
  4.    All of these
 Discuss Question
Answer: Option A. -> an enterotoxin
Answer: (a).an enterotoxin
Question 64. Which of the following is a food infection?
  1.    Salmonellois
  2.    Botulism
  3.    Staphylococcal intoxication
  4.    None of these
 Discuss Question
Answer: Option A. -> Salmonellois
Answer: (a).Salmonellois
Question 65. Which of the following toxin causing botulism is less toxic to human beings?
  1.    Type A
  2.    Type B
  3.    Type C
  4.    None of these
 Discuss Question
Answer: Option B. -> Type B
Answer: (b).Type B
Question 66. 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
Answer: (a).all types of strains (proteolytic)A, B and F
Question 67. 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
Answer: (d).diacetyl
Question 68. The botulism intoxication occurs due to
  1.    an enterotoxin
  2.    neurotoxin
  3.    mycotoxin
  4.    all of these
 Discuss Question
Answer: Option B. -> neurotoxin
Answer: (b).neurotoxin
Question 69. Arrange the potencies of toxin in descending order of the following canned foods
  1.    peas>string beans>spinach> corn
  2.    corn> string bean>peas>spinach
  3.    corn> spinach> peas>string beans
  4.    corn> peas>string beans>spinach
 Discuss Question
Answer: Option D. -> corn> peas>string beans>spinach
Answer: (d).corn> peas>string beans>spinach
Question 70. 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
Answer: (c).7.3 Mrad

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