AP Biology Test: Mitosis And Meiosis- ChAPters 12-13

40 Questions | Total Attempts: 5041

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AP Biology Test: Mitosis And Meiosis- ChAPters 12-13

This test covers the essentials of Mitosis and Meiosis cell divisions and is helpful for all the students preparing for the Advanced Placement Biology exam. It features forty basic to advanced questions to test out your knowledge on the same.


Questions and Answers
  • 1. 
    • A. 

      A chromosome in G1 of the cell cycle

    • B. 

      A replicated chromosome

    • C. 

      A chromosome found outside the nucleus

    • D. 

      A special region that holds two centromeres together

    • E. 

      Another name for the chromosomes found in genetics

  • 2. 
    What is the name for the special region on a duplicated chromosome that holds the sister chromatids together?
    • A. 

      Centrosome

    • B. 

      Centromere

    • C. 

      Kinetochore

    • D. 

      Desmosome

    • E. 

      Microtubule organizer region

  • 3. 
    • A. 

      4

    • B. 

      8

    • C. 

      16

    • D. 

      21

    • E. 

      64

  • 4. 
    • A. 

      10

    • B. 

      20

    • C. 

      30

    • D. 

      40

    • E. 

      80

  • 5. 
    Which of the following statements is not true?
    • A. 

      Mitosis produces new nuclei with exactly the same chromosomal endowment as the parent nucleus.

    • B. 

      Mitosis may occur without cytokinesis.

    • C. 

      Mitosis and cytokinesis are required for asexual reproduction.

    • D. 

      All cells come from a preexisting cell.

    • E. 

      The mitotic spindles in prokaryotic cells are composed of microtubules.

  • 6. 
    The lettered circle in the figure above shows a diploid nucleus with four chromosomes. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is symbolized as black and the other haploid set is gray. The chromosomes in the unlettered circle have not yet replicated. Choose the correct chromosomal conditions for the following stage. *At prometaphase of mitosis
  • 7. 
                    A.     telophase                 B.     anaphase                 C.     prometaphase                 D.     metaphase                 E.     prophase Choose the answer from the above that best fits the description: Two centrosomes are arranged at opposite poles of the cell.
  • 8. 
                    A.     telophase                 B.     anaphase                 C.     prometaphase                 D.     metaphase                 E.     prophase   Choose the answer from above that best fits this description: Centrioles begin to move apart in animal cells.
  • 9. 
  • 10. 
                    A.     telophase                 B.     anaphase                 C.     prometaphase                 D.     metaphase                 E.     prophase   Choose the answer from above that best fits this description: Centromeres uncouple, sister chromatids are separated, and the two new chromosomes move to opposite poles of the cell.
  • 11. 
    If cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?
    • A. 

      Anaphase

    • B. 

      Prophase

    • C. 

      Telophase

    • D. 

      Metaphase

    • E. 

      Interphase

  • 12. 
    A cell containing 92 chromatids at metaphase of mitosis would, at its completion, produce two nuclei containing how many chromosomes?
    • A. 

      12

    • B. 

      16

    • C. 

      23

    • D. 

      46

    • E. 

      92

  • 13. 
    • A. 

      Cell membrane synthesis

    • B. 

      Spindle fiber formation

    • C. 

      Nuclear envelope breakdown

    • D. 

      Formation of telophase nuclei

    • E. 

      Synthesis of chromatids

  • 14. 
    All of the following occur during prophase of mitosis in animal cells except
    • A. 

      The centrioles move toward opposite poles.

    • B. 

      The nucleolus can no longer be seen.

    • C. 

      The nuclear envelope disappears.

    • D. 

      Chromosomes are duplicated.

    • E. 

      The spindle is organized.

  • 15. 
    If there are 20 centromeres in a cell at anaphase, how many chromosomes are there in each daughter cell following cytokinesis?
    • A. 

      10

    • B. 

      20

    • C. 

      30

    • D. 

      40

    • E. 

      80

  • 16. 
    If there are 20 chromatids in a cell at metaphase, how many chromosomes are there in each daughter cell following cytokinesis?
    • A. 

      10

    • B. 

      20

    • C. 

      30

    • D. 

      40

    • E. 

      80

  • 17. 
    Where do the microtubules of the spindle originate during mitosis in both plant and animal cells?
    • A. 

      Centromere

    • B. 

      Centrosome

    • C. 

      Centriole

    • D. 

      Chromatid

    • E. 

      Kinetochore

  • 18. 
    All of the following occur during mitosis except the
    • A. 

      Condensing of chromosomes.

    • B. 

      Uncoupling of chromatids at the centromere.

    • C. 

      Formation of a spindle.

    • D. 

      Synthesis of DNA.

    • E. 

      Disappearance of the nucleolus.

  • 19. 
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      8

    • E. 

      16

  • 20. 
    Cytokinesis usually, but not always, follows mitosis. If a cell completed mitosis but not cytokinesis, the result would be a cell with
    • A. 

      A single large nucleus.

    • B. 

      High concentrations of actin and myosin.

    • C. 

      Two abnormally small nuclei.

    • D. 

      Two nuclei.

    • E. 

      Two nuclei but with half the amount of DNA.

  • 21. 
    Regarding mitosis and cytokinesis, one difference between higher plants and animals is that in plants
    • A. 

      The spindles contain microfibrils in addition to microtubules, whereas animal spindles do not contain microfibrils.

    • B. 

      Sister chromatids are identical, but they differ from one another in animals.

    • C. 

      A cell plate begins to form at telophase, whereas animals a cleavage furrow is initiated at that stage.

    • D. 

      Chromosomes become attached to the spindle at prophase, whereas in animals chromosomes do not become attached until anaphase.

    • E. 

      Spindle poles contain centrioles, whereas spindle poles in animals do not.

  • 22. 
    • A. 

      The daughter cells have half the amount of cytoplasm and half the amount of DNA.

    • B. 

      The daughter cells have half the number of chromosomes and half the amount of DNA.

    • C. 

      The daughter cells have the same number of chromosomes and half the amount of DNA.

    • D. 

      The daughter cells have the same number of chromosomes and the same amount of DNA.

    • E. 

      The daughter cells have the same number of chromosomes and twice the amount of DNA.

  • 23. 
    • A. 

      An animal cell in metaphase

    • B. 

      An animal cell in telophase

    • C. 

      An animal cell undergoing cytokinesis

    • D. 

      A plant cell in metaphase

    • E. 

      A plant cell undergoing cytokinesis

  • 24. 
    Taxol is an anticancer drug extracted from the Pacific yew tree. In animal cells, taxol disrupts microtubule formation by binding to microtubules and accelerating their assembly from the protein precursor, tubulin. Surprisingly, this stops mitosis. Specifically, taxol must affect
    • A. 

      The fibers of the mitotic spindle.

    • B. 

      Anaphase.

    • C. 

      Formation of the centrioles.

    • D. 

      Chromatid assembly.

    • E. 

      The S phase of the cell cycle.

  • 25. 
    Which of the following are primarily responsible for cytokinesis in plant cells?
    • A. 

      Kinetochores

    • B. 

      Golgi-derived vesicles

    • C. 

      Actin and myosin

    • D. 

      Centrioles and basal bodies

    • E. 

      Cyclin-dependent kinases