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MCQs

Total Questions : 109 | Page 10 of 11 pages
Question 91. . Which of the following is not a part of a human chromosome in any phase?
  1.    Centriole
  2.    Histone
  3.    Nucleosome
  4.    Centromere
 Discuss Question
Answer: Option A. -> Centriole
Question 92. . In which phase, each chromosome replicates to produce two sister chromatids?
  1.    Anaphase
  2.    Interphase
  3.    Metaphase
  4.    Prophase
 Discuss Question
Answer: Option B. -> Interphase
Question 93. . Which of the following is the normal cell cycle, primarily regulated at checkpoints?
  1.    Metaphase in mitosis
  2.    Anaphase, G1 boundary
  3.    G1-S boundary
  4.    S-G2 boundary
 Discuss Question
Answer: Option C. -> G1-S boundary
Question 94. . At the __________ checkpoint, cell growth is controlled.
  1.    C
  2.    G1
  3.    G2
  4.    S
 Discuss Question
Answer: Option B. -> G1
Question 95. . The phase of mitosis which is associated with the formation of the nuclear envelope, is
  1.    prophase
  2.    metaphase
  3.    anaphase
  4.    telophase
 Discuss Question
Answer: Option D. -> telophase
Question 96. . In which of the following phase preparations for genome separation are made?
  1.    C
  2.    G1
  3.    G2
  4.    M
 Discuss Question
Answer: Option D. -> M
Question 97. . Cells which no longer divide (such as certain specialized cells found in the human brain) remain in which phase of the cell cycle?
  1.    Prophase
  2.    S phase
  3.    G0 Phase
  4.    Gl Phase
 Discuss Question
Answer: Option C. -> G0 Phase
Question 98. . The cell cycle is controlled in most cells by
  1.    time (after a certain length of time the cell divides)
  2.    a series of checkpoints
  3.    cell size (when the cell reaches a certain size, it divides)
  4.    different cells exhibit different control strategies
 Discuss Question
Answer: Option D. -> different cells exhibit different control strategies
Question 99. . A nuclear envelope forms around each set of sister chromatids in
  1.    anaphase
  2.    metaphase
  3.    prophase
  4.    telophase
 Discuss Question
Answer: Option D. -> telophase
Question 100. .  How many chromatids does a diploid body cell contain just prior to cell division?
  1.    23
  2.    46
  3.    69
  4.    92
 Discuss Question
Answer: Option D. -> 92

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