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MCQs

Total Questions : 139 | Page 6 of 14 pages
Question 51. Which of following disease in humans is caused by bacteria Helicobacter?
  1.    damage to blood vessels
  2.    stomach ulcer
  3.    blood poisoning
  4.    blocked vessels
 Discuss Question
Answer: Option B. -> stomach ulcer
Answer: (b).stomach ulcer
Question 52. Which of following subgroups of proteobacteria contains slime-secreting myxobacteria?
  1.    alpha
  2.    beta
  3.    gamma
  4.    delta
 Discuss Question
Answer: Option D. -> delta
Answer: (d).delta
Question 53. Mycoplasma genitalium has approximately how many genes?
  1.    100
  2.    343
  3.    1000
  4.    517
 Discuss Question
Answer: Option D. -> 517
Answer: (d).517
Question 54. Which of following bacterial types have large amounts of peptidoglycans in their cell walls?
  1.    gram positive
  2.    gram negative
  3.    infectious
  4.    lytic phages
 Discuss Question
Answer: Option A. -> gram positive
Answer: (a).gram positive
Question 55. How many types of proteins make up a flagellum?
  1.    30
  2.    42
  3.    69
  4.    100
 Discuss Question
Answer: Option B. -> 42
Answer: (b).42
Question 56. Clostridium botulinum causes which of following disease?
  1.    botulism
  2.    anthrax
  3.    ulcer
  4.    urinary tract infection
 Discuss Question
Answer: Option A. -> botulism
Answer: (a).botulism
Question 57. Nitrogen fixation is caused by which of following?
  1.    phototrophs
  2.    heterotrophs
  3.    halophiles
  4.    heterocyst
 Discuss Question
Answer: Option A. -> phototrophs
Answer: (a).phototrophs
Question 58. Bacteria living in gut of humans that help with digestion have which of following relationship with host?
  1.    parasitism
  2.    symbiosis
  3.    mutualism
  4.    commensalism
 Discuss Question
Answer: Option C. -> mutualism
Answer: (c).mutualism
Question 59. Cocci present in clusters are called
  1.    staphylococci
  2.    monococci
  3.    diplococci
  4.    streptococci
 Discuss Question
Answer: Option A. -> staphylococci
Answer: (a).staphylococci
Question 60. Sticky wall present outside many prokaryotes is called
  1.    capsule
  2.    cell wall
  3.    membrane
  4.    covering
 Discuss Question
Answer: Option A. -> capsule
Answer: (a).capsule

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