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MCQs

Total Questions : 274 | Page 28 of 28 pages
Question 271. . 
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
Question 272. . 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
Question 273. . 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
Question 274. . 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

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