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MCQs

Total Questions : 274 | Page 5 of 28 pages
Question 41. The bacteria deficient in cell wall is
  1.    Treponema
  2.    Mycoplasma
  3.    Staphylococcus
  4.    Klebsiella
 Discuss Question
Answer: Option B. -> Mycoplasma
Answer: (b).Mycoplasma
Question 42. 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
Answer: (d).spirilla
Question 43. Which of the following has peptidoglycan as a major constituent of cell wall?
  1.    Gram-negative bacteria
  2.    Gram-positive bacteria
  3.    Fungi
  4.    None of these
 Discuss Question
Answer: Option B. -> Gram-positive bacteria
Answer: (b).Gram-positive bacteria
Question 44. 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 polymers
 Discuss Question
Answer: Option A. -> the area between the inner and outer membranes of gram-negative bacteria
Answer: (a).the area between the inner and outer membranes of gram-negative bacteria
Question 45. The arrangement, in which flagella are distributed all round the bacterial cell, is known as
  1.    lophotrichous
  2.    amphitrichous
  3.    peritrichous
  4.    monotrichous
 Discuss Question
Answer: Option C. -> peritrichous
Answer: (c).peritrichous
Question 46. Gram positive cells have a
  1.    second outer membrane that helps to retain the crystal violet stain
  2.    multiple layer of peptidoglycan that helps to retain the crystal violet stain
  3.    thick capsule that traps the crystal violet stain
  4.    periplasmic space that traps the crystal violet
 Discuss Question
Answer: Option B. -> multiple layer of peptidoglycan that helps to retain the crystal violet stain
Answer: (b).multiple layer of peptidoglycan that helps to retain the crystal violet stain
Question 47. In eukaryotic cells, ribosomes are
  1.    70S
  2.    60S
  3.    80S
  4.    Not specific
 Discuss Question
Answer: Option C. -> 80S
Answer: (c).80S
Question 48. A single polar flagella is known as
  1.    monotrichous
  2.    lophotrichous
  3.    amphitrichous
  4.    none of these
 Discuss Question
Answer: Option A. -> monotrichous
Answer: (a).monotrichous
Question 49. 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
Answer: (a).cell walls of gram positive bacteria
Question 50. 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
Answer: (b).bacilli

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