Cell Cycle MCQs for MDCAT Practice

Biology section, Cell Cycle chapter. Sample questions from past PMC papers.

1. Question 1
   The diagram shows the maternal and paternal chromosomes from a diploid cell. If the cell divides by meiosis, which diagram shows a possible viable gamete?
   • A.Option A
   • B.Option B
   • C.Option C
   • D.Option D
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2. Question 2
   During metaphase, chromosomes are attached to the spindle fibers by their:
   • A.Primary constrictions
   • B.Secondary constrictions
   • C.Kinetochores
   • D.Centromeres
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3. Question 3
   Mature nerve cells cannot undergo cell division. These cells are probably considered in:
   • A.G2-phase
   • B.S-phase
   • C.Mitosis
   • D.Go - phase
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4. Question 4
   If you are provided with the root­ tips of an onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into?
   • A.Metaphase
   • B.Telophase
   • C.Anaphase
   • D.Late prophase
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5. Question 5
   What is the function of a centromere?
   • A.To protect the ends of chromosomes
   • B.To hold sister chromatids together
   • C.To carry genetic information
   • D.To initiate DNA replication
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6. Question 6
   Chromosome structure can be observed best during ____
   • A.Anaphase
   • B.Metaphase
   • C.Prophase
   • D.None of the above
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7. Question 7
   Prophase I of meiosis is further divided into how many substages?
   • A.4
   • B.6
   • C.5
   • D.3
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8. Question 8
   The structure which disappeared during cell division is:
   • A.Vacuole
   • B.Lysosome
   • C.Nucleus
   • D.Endoplasmic reticulum
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