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MCQs

Total Questions : 189 | Page 5 of 19 pages
Question 41. Amoeba proteus have a diffuse layer of which of the following over the plasmalemma?
  1.    glucose
  2.    chitin
  3.    cellulose
  4.    mucopolysaccharides
 Discuss Question
Answer: Option D. -> mucopolysaccharides
Answer: (d).mucopolysaccharides
Question 42. How many haploid chromosomes are present in Spirotrichonympha polygyra?
  1.    60
  2.    7
  3.    2
  4.    40
 Discuss Question
Answer: Option C. -> 2
Answer: (c).2
Question 43. Which of the following protective structures occur in the tentacles of suctorian protozoa?
  1.    mucocysts
  2.    trichocysts
  3.    toxicysts
  4.    haptocysts
 Discuss Question
Answer: Option D. -> haptocysts
Answer: (d).haptocysts
Question 44. Which of the following is the actual opening in ciliates through which food is ingested?
  1.    cytosome
  2.    oral groove
  3.    peristome
  4.    cytopharynx
 Discuss Question
Answer: Option A. -> cytosome
Answer: (a).cytosome
Question 45. Among the following which layer is directly apposed to the cell surface?
  1.    tests
  2.    theca
  3.    shells
  4.    loricae
 Discuss Question
Answer: Option B. -> theca
Answer: (b).theca
Question 46. Which of the following type of fission takes place in flagellates?
  1.    longitudinal
  2.    right angle to the cell axis
  3.    transverse
  4.    cytoplasm protrudes from the aperture
 Discuss Question
Answer: Option A. -> longitudinal
Answer: (a).longitudinal
Question 47. During asexual binary fission the macronucleus divides by mitotic division.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 48. The swarming daughter cells possess special locomoter organelles like the parent cell.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 49. Which of the following does not take place in transverse fission?
  1.    fission occurs at right angle to the long cell axis
  2.    equatorial furrow appears
  3.    cytoplasm protudes from the aperture
  4.    constriction occurs forming two daughter cells
 Discuss Question
Answer: Option C. -> cytoplasm protudes from the aperture
Answer: (c).cytoplasm protudes from the aperture
Question 50. Plasmodium divides by which of the following method most commonly?
  1.    Binary fission
  2.    Multiple fission
  3.    Budding
  4.    Regeneration
 Discuss Question
Answer: Option B. -> Multiple fission
Answer: (b).Multiple fission

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