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MCQs

Total Questions : 274 | Page 22 of 28 pages
Question 211. Which of the following has Chinese letter arrangement?
  1.    Corynebacterium diphtheriae
  2.    Mycobacterium tuberculosis
  3.    Bacillus anthracis
  4.    Clostridium tetani
 Discuss Question
Answer: Option A. -> Corynebacterium diphtheriae
Question 212. Which of the following is analogous to mesosomes of bacteria?
  1.    None of these
  2.    Lysosomes of eukaryotes
  3.    Mitochondria of eukaryotes
  4.    Golgi apparatus of eukaryotes
 Discuss Question
Answer: Option C. -> Mitochondria of eukaryotes
Question 213. The other name for peptidoglycan is
  1.    mucopeptide
  2.    murein
  3.    none of these
  4.    both (a) & (b)
 Discuss Question
Answer: Option D. -> both (a) & (b)
Question 214. Cyanobacteria have
  1.    a gram-negative cell wall
  2.    Neither (a) nor (b)
  3.    a gram-positive cell wall
  4.    No cell wall
 Discuss Question
Answer: Option A. -> a gram-negative cell wall
Question 215. In which of the following, lipo-polysaccharide is a major constituent of outer membrane of the cellwall?
  1.    None of these
  2.    Gram-positive bacteria
  3.    Fungi
  4.    Gram-negative bacteria
 Discuss Question
Answer: Option D. -> Gram-negative bacteria
Question 216. Which of the following structure(s) is /are external to cell wall?
  1.    Sheath
  2.    Stalks
  3.    Flagella
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 217. Which of the following may be most likely to be missing from a gram-positive bacterium?
  1.    Lipopolysaccharide
  2.    Peptidoglycan
  3.    Phospholipid bilayer membrane
  4.    Penicillin binding protein
 Discuss Question
Answer: Option A. -> Lipopolysaccharide
Question 218.  Which of the following bacteria lack a cell wall and are therefore resistant to penicillin?
  1.    Cyanobacteria
  2.    Mycoplasmas
  3.    Bdellovibrios
  4.    Spirochetes
 Discuss Question
Answer: Option B. -> Mycoplasmas
Question 219.  Flagella move the cell by
  1.    many flagella beating in a synchronous, whip-like motion
  2.    an individual flagellum beating in a whip-like motion
  3.    spinning like a propeller
  4.    attaching to nearby particles and contracting
 Discuss Question
Answer: Option C. -> spinning like a propeller
Question 220.  The protein from which hook and filaments of flagella are composed of, is
  1.    keratin
  2.    flagellin
  3.    gelatin
  4.    casein
 Discuss Question
Answer: Option B. -> flagellin

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