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MCQs

Total Questions : 67 | Page 6 of 7 pages
Question 51. Which of the following cells do not lack the ability to divide?
  1.    skin cells
  2.    nerve cells
  3.    muscle cells
  4.    red blood cells
 Discuss Question
Answer: Option A. -> skin cells
Answer: (a).skin cells
Question 52. Cells that have stopped dividing and are arrested in a state preceding that of DNA synthesis, are said to be in the__________
  1.    S phase
  2.    G₁ phase
  3.    G₀ phase
  4.    G₂ phase
 Discuss Question
Answer: Option C. -> G₀ phase
Answer: (c).G₀ phase
Question 53. Cytoskeleton is disassembled in which of the following phase?
  1.    Prophase
  2.    Metaphase
  3.    Anaphase
  4.    Telophase
 Discuss Question
Answer: Option A. -> Prophase
Answer: (a).Prophase
Question 54. Which is the last phase in mitosis just before the beginning of cytokinesis?
  1.    telophase
  2.    metaphase
  3.    interphase
  4.    prometaphase
 Discuss Question
Answer: Option A. -> telophase
Answer: (a).telophase
Question 55. Centromeres split during the __________________
  1.    translation
  2.    transcription
  3.    anaphase
  4.    prometaphase
 Discuss Question
Answer: Option C. -> anaphase
Answer: (c).anaphase
Question 56. Condensin is a ___________________
  1.    multiprotein complex
  2.    enzyme
  3.    membrane phospholipid
  4.    transcription inhibitor
 Discuss Question
Answer: Option A. -> multiprotein complex
Answer: (a).multiprotein complex
Question 57. Chromosome compaction at prophase requires ______________________
  1.    DNA helicase
  2.    DNA polymerase
  3.    RNA polymerase
  4.    Topoisomerase II
 Discuss Question
Answer: Option D. -> Topoisomerase II
Answer: (d).Topoisomerase II
Question 58. Aneuploidy is the condition associated with ______________
  1.    transcription inefficiency
  2.    fragile chromosomes
  3.    abnormal chromosome umber
  4.    inability to perform meiosis
 Discuss Question
Answer: Option C. -> abnormal chromosome umber
Answer: (c).abnormal chromosome umber
Question 59. A fetus with which of the following abnormalities might not succumb soon after birth?
  1.    monosomy
  2.    trisomy 13
  3.    trisomy 18
  4.    trisomy 21
 Discuss Question
Answer: Option D. -> trisomy 21
Answer: (d).trisomy 21
Question 60. __________ in males occurs with a much lower level of chromosomal abnormalities than in females.
  1.    Meiosis
  2.    Mitosis
  3.    Translation
  4.    Transcription
 Discuss Question
Answer: Option A. -> Meiosis
Answer: (a).Meiosis

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