Food Illness(Microbiology ) Questions and Answers

Question 1.  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
Explanation:-
Answer: Option B. -> Type B
Question 2.  Botulism is caused by the presence of toxin developed by
  1.    Clostridium tyrobutyricum
  2.    Clostridium sporogenes
  3.    Clostridium botulinum
  4.    none of these
Explanation:-
Answer: Option C. -> Clostridium botulinum
Question 3.  The method of successful treatment of botulism prior to appearance of botulism symptoms involve administration of
  1.    antibiotic
  2.    analgesic
  3.    antitoxin
  4.    antipyretic
Explanation:-
Answer: Option C. -> antitoxin
Question 4.  A bacterial food intoxication refers to
  1.    illness caused by presence of pathogens
  2.    food borne illness caused by the presence of a bacterial toxin formed in food
  3.    both (a) and (b)
  4.    none of the above
Explanation:-
Answer: Option B. -> food borne illness caused by the presence of a bacterial toxin formed in food
Question 5.  Which of the following is true to prevent botulism from smoked fish?
  1.    The fish should be heated at its coolest part to at least 82°C for 30 min during or after smoking
  2.    Fish should be immediately frozen after packaging and kept frozen
  3.    Good sanitation should be maintained throughout production and handling
  4.    All of the above
Explanation:-
Answer: Option D. -> All of the above
Question 6.  The staphylococcal intoxication refers to presence of
  1.    an enterotoxin
  2.    neurotoxin
  3.    mycotoxin
  4.    All of these
Explanation:-
Answer: Option A. -> an enterotoxin
Question 7.  Which of the following is a food infection?
  1.    Salmonellois
  2.    Botulism
  3.    Staphylococcal intoxication
  4.    None of these
Explanation:-
Answer: Option A. -> Salmonellois
Question 8.  Salmonellois is caused by the
  1.    enterotoxin of Salmonella spp
  2.    endotoxin of Salmonella spp
  3.    neurotoxin of Salmonella spp
  4.    exoenterotoxin of Salmonella spp
Explanation:-
Answer: Option B. -> endotoxin of Salmonella spp
Question 9. . The botulism intoxication occurs due to
  1.    an enterotoxin
  2.    neurotoxin
  3.    mycotoxin
  4.    all of these
Explanation:-
Answer: Option B. -> neurotoxin
Question 10. . 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
Explanation:-
Answer: Option D. -> corn> peas>string beans>spinach
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