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MCQs

Total Questions : 274 | Page 25 of 28 pages
Question 241. . Periplasm is
  1.    the area between the inner and outer membranes of gram-negative bacteria
  2.    the area between the inner and outer membranes of Gram-positive bacteria
  3.    the interior portion of mitochondria
  4.    the area outside the cell membrane that is influenced by the polymer
 Discuss Question
Answer: Option A. -> the area between the inner and outer membranes of gram-negative bacteria
Question 242. . The common word for bacteria which are helically curved rods is
  1.    cooci
  2.    pleomorphic
  3.    bacillus
  4.    spirilla
 Discuss Question
Answer: Option D. -> spirilla
Question 243. . The bacteria deficient in cell wall is
  1.    Treponema
  2.    Mycoplasma
  3.    Staphylococcus
  4.    Klebsiella
 Discuss Question
Answer: Option B. -> Mycoplasma
Question 244. . Which of the following is not true about peptidoglycan?
  1.    It is a polymer consisting of N-acetyl glucosamine, N-acetyl muramic acid and amino acids (alanine, lysine, etc.)
  2.    It is present in prokaryotic cell wall
  3.    It occurs in the form of a bag shaped macro molecule surrounding the cytoplasm membrane
  4.    None of the above
 Discuss Question
Answer: Option D. -> None of the above
Question 245. . The common word for bacteria which are spherical in shape is
  1.    cocci
  2.    bacilli
  3.    spirilla
  4.    pleomorphic
 Discuss Question
Answer: Option A. -> cocci
Question 246. . Single or clusters of flagella at both poles is known as
  1.    monotrichous
  2.    petritrichous
  3.    amphitrichous
  4.    none of these
 Discuss Question
Answer: Option C. -> amphitrichous
Question 247. . Which of the following bacterial genera (that produces endospore) have medical importance?
  1.    Clostridium
  2.    Bacillus
  3.    Both (a) and (b)
  4.    None of these
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 248. . Teichoic acids are typically found in
  1.    cell walls of gram positive bacteria
  2.    outer membranes of gram positive bacteria
  3.    cell walls of gram negative bacteria
  4.    outer membranes of gram negative bacteria
 Discuss Question
Answer: Option A. -> cell walls of gram positive bacteria
Question 249. . A single polar flagella is known as
  1.    monotrichous
  2.    lophotrichous
  3.    amphitrichous
  4.    none of these
 Discuss Question
Answer: Option A. -> monotrichous
Question 250. . The common word for bacteria which are straight rod in shape is
  1.    cooci
  2.    bacilli
  3.    spirilla
  4.    pleomorphic
 Discuss Question
Answer: Option B. -> bacilli

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