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MCQs

Total Questions : 274 | Page 8 of 28 pages
Question 71. Cyanobacteria have
  1.    a gram-positive cell wall
  2.    a gram-negative cell wall
  3.    Neither (a) nor (b)
  4.    No cell wall
 Discuss Question
Answer: Option B. -> a gram-negative cell wall
Answer: (b).a gram-negative cell wall
Question 72. Which of the following has Chinese letter arrangement?
  1.    Bacillus anthracis
  2.    Mycobacterium tuberculosis
  3.    Clostridium tetani
  4.    Corynebacterium diphtheriae
 Discuss Question
Answer: Option D. -> Corynebacterium diphtheriae
Answer: (d).Corynebacterium diphtheriae
Question 73. The other name for peptidoglycan is
  1.    mucopeptide
  2.    murein
  3.    both (a) and (b)
  4.    none of these
 Discuss Question
Answer: Option D. -> none of these
Answer: both (a) & (b)
Question 74. In which of the following, lipo-polysaccharide is a major constituent of outer membrane of the cellwall?
  1.    Gram-positive bacteria
  2.    Gram-negative bacteria
  3.    Fungi
  4.    None of these
 Discuss Question
Answer: Option B. -> Gram-negative bacteria
Answer: (b).Gram-negative bacteria
Question 75. Which of the following structure(s) is /are external to cell wall?
  1.    Flagella
  2.    Stalks
  3.    Sheath
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 76. Which of the following may be most likely to be missing from a gram-positive bacterium?
  1.    Penicillin binding protein
  2.    Peptidoglycan
  3.    Lipopolysaccharide
  4.    Phospholipid bilayer membrane
 Discuss Question
Answer: Option C. -> Lipopolysaccharide
Answer: (c).Lipopolysaccharide
Question 77. A 'polysaccharide' that helps bacteria in adherence to surface is named as
  1.    Granule
  2.    Glycocalyx
  3.    Mesosome
  4.    Nucleoid
 Discuss Question
Answer: Option B. -> Glycocalyx
Answer: (b).Glycocalyx
Question 78. 'flagellum' is made up of
  1.    Sugars
  2.    Lipids
  3.    Polysaccharides
  4.    Proteins
 Discuss Question
Answer: Option D. -> Proteins
Answer: (d).Proteins
Question 79. 'Bacilli' is term used for
  1.    Round bacteria
  2.    Spiral bacteria
  3.    Rod shaped bacteria
  4.    Cluster shaped bacteria
 Discuss Question
Answer: Option C. -> Rod shaped bacteria
Answer: (c).Rod shaped bacteria
Question 80. Which among the following acts as a transport protein for protons in flagellar motion?
  1.    fli protein
  2.    cGMP
  3.    atp
  4.    mot protein
 Discuss Question
Answer: Option D. -> mot protein
Answer: (d).mot protein

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