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MCQs

Total Questions : 189 | Page 7 of 19 pages
Question 61. Members of the Protozoa may motile by all of the following methods except
  1.    flagella
  2.    gliding by slime secretion
  3.    cilia
  4.    pseudopodia
 Discuss Question
Answer: Option B. -> gliding by slime secretion
Answer: (b).gliding by slime secretion
Question 62. Most commonly asexual reproduction in the Protozoa is by
  1.    conjugation
  2.    gametangial contact
  3.    binary fission
  4.    binary fusion
 Discuss Question
Answer: Option C. -> binary fission
Answer: (c).binary fission
Question 63. Organisms are parasitic and have a resistant spore with one to six coiled polar filaments belong to which phylum of Protozoa?
  1.    Labyinthomorpha
  2.    Sarcomastigophora
  3.    Apicomplexa
  4.    Myxozoa
 Discuss Question
Answer: Option D. -> Myxozoa
Answer: (d).Myxozoa
Question 64. Which of the following describes the function of a secretory vacuole?
  1.    Sites of food digestion
  2.    Maintain osmotic balance by continuous water expulsion
  3.    Contain specific enzymes that perform various functions
  4.    Structures that accept male gametes during sexual reproduction
 Discuss Question
Answer: Option C. -> Contain specific enzymes that perform various functions
Answer: (c).Contain specific enzymes that perform various functions
Question 65. Which of the following describes the function of a phagocytic vacuole?
  1.    Contain specific enzymes that perform various functions
  2.    Maintain osmotic balance by continuous water expulsion
  3.    Structures that accept male gametes during sexual reproduction
  4.    Sites of food digestion
 Discuss Question
Answer: Option D. -> Sites of food digestion
Answer: (d).Sites of food digestion
Question 66. Dysentery may be caused by
  1.    enteropathogenic Escherichia coli
  2.    enteroinvasive E. coli
  3.    enterotoxigenic E. coli
  4.    verotoxigenic E. coli
 Discuss Question
Answer: Option C. -> enterotoxigenic E. coli
Answer: (c).enterotoxigenic E. coli
Question 67. Which of the following(s) bacteria belong to the family Entero-bacteriaceae?
  1.    Yersinia
  2.    Shigella
  3.    Salmonella
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 68. The bacteria, which is more resistant to adverse environmental conditions, is
  1.    S sonnei
  2.    S dysenteriae
  3.    S flexneri
  4.    S boydii
 Discuss Question
Answer: Option A. -> S sonnei
Answer: (a).S sonnei
Question 69. Transmission of bubonic plague is by
  1.    rat flea
  2.    inhalation
  3.    ingestion
  4.    all of these
 Discuss Question
Answer: Option A. -> rat flea
Answer: (a).rat flea
Question 70. The reaction(s) that is/are usually positive in Escherichia coli, is/ are
  1.    Glucose fermentation
  2.    Indole reaction
  3.    Methyl red reaction
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these

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