Microorganisms And Disease(Microbiology ) Questions and Answers

Question 1. Pontiac fever is a more severe disease than Legionnaires’ disease.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False
Question 2. Which drug is used for treatment of brucellosis in humans?
  1.    Erythromycin
  2.    Tetracycline
  3.    Carbenicillin
  4.    Gentamicin
Explanation:-
Answer: Option B. -> Tetracycline
Answer: (b).Tetracycline
Question 3. Which of the following microorganism occurs in swine?
  1.    Brucella melitensis
  2.    Brucella abortus
  3.    Brucella suis
  4.    Legionella pneumophila
Explanation:-
Answer: Option C. -> Brucella suis
Answer: (c).Brucella suis
Question 4. The organism causing whooping cough can grow on ordinary culture media.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False
Question 5. Which of the following capsular polysaccharides is used for preparing vaccine against meningococcal meningitis?
  1.    serovar A
  2.    serovar B
  3.    serovar C
  4.    serovar A and C
Explanation:-
Answer: Option D. -> serovar A and C
Answer: (d).serovar A and C
Question 6. Which of the following organisms produces neurotoxin as a virulence factor?
  1.    Bacillus anthracis
  2.    Clostridium tetani
  3.    Streptococcus pneumoniae
  4.    Staphylococcus aureus
Explanation:-
Answer: Option B. -> Clostridium tetani
Answer: (b).Clostridium tetani
Question 7. Which of the following is a major virulence factor of Streptococcus pneumoniae?
  1.    polysaccharide capsule
  2.    M protein
  3.    streptolysin O
  4.    streptolysin S
Explanation:-
Answer: Option A. -> polysaccharide capsule
Answer: (a).polysaccharide capsule
Question 8. Which drug is used for treatment of anthrax?
  1.    erythromycin
  2.    penicillin
  3.    tetracycline
  4.    ampicillin
Explanation:-
Answer: Option B. -> penicillin
Answer: (b).penicillin
Question 9. Clostridium perfringens type A occurs as a natural flora of ______________
  1.    stomach
  2.    mouth
  3.    intestine
  4.    eyes
Explanation:-
Answer: Option C. -> intestine
Answer: (c).intestine
Question 10. Booster immunizations should be given every 10 years.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
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