A Quick Practice Quiz On The Cell Cycle!

15 Questions | Total Attempts: 93

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A Quick Practice Quiz On The Cell Cycle!

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Questions and Answers
  • 1. 
    The specific position along a chromosome in genes is called: 
    • A. 

      Homologous 

    • B. 

      Locus

    • C. 

      Autosomes

    • D. 

      Zygote  

  • 2. 
    Which of these statements is true?
    • A. 

      A diploid cell has one set of chromosomes 

    • B. 

      Four humans the diploid number is 23

    • C. 

      In a cell in which DNA synthesis has occurred each chromosome is replicated 

    • D. 

      The sperm cell sex chromosome is X

  • 3. 
    Which of the following defines a genome?
    • A. 

       representation of a complete set of a cells polypeptides

    • B. 

      The complete set of an organisms polypeptides

    • C. 

      The complete set of a species polypeptides

    • D. 

      The complete set of an organisms genes

  • 4. 
    The union of sperm and egg is called :
    • A. 

      Combination

    • B. 

      Fertilization

    • C. 

      Crossing over

  • 5. 
    The crossing over process occurs in:
    • A. 

      Prophase l

    • B. 

      Prophase ll

    • C. 

      Metaphase l

    • D. 

      Metapase ll

  • 6. 
    Spindle apparatus forms in:
    • A. 

      Metaphase ll

    • B. 

      Prophase ll

    • C. 

      Metaphase l

    • D. 

      Anaphase ll

  • 7. 
    During which of the following phases of meiosis do centromeres split and sister chromatids to opposite poles of the cell?
    • A. 

      Prophase l

    • B. 

      Telophase l

    • C. 

      Anaphase ll

    • D. 

      Telophase ll

  • 8. 
    If a cell has completed the first meiotic division and is just beginning meiosis II, which of the following is an appropriatedescription of its contents?
    • A. 

      It has half the amount of DNA as the cell began meiosis

    • B. 

      Lt has half the chromosomes but twice the DNA of the originating cell.

    • C. 

      It has one-fourth the DNA and the one-half the chromosomes as the originating cell.

    • D. 

      It is identical in content to another cell from the same meiosis.

  • 9. 
    The two sister crchromatids are called:
    • A. 

      Duplicated chromosome

    • B. 

      Homologous

    • C. 

      Unduplicated chromosome

    • D. 

      None of the above

  • 10. 
    After telophase l of meiosis, the chromosomes makeup of each daughter cell is
    • A. 

      Diploid, and the chromosomes are each composed of the single chromatid

    • B. 

      Diploid, and the chromosomes are each composed of the two chromatid

    • C. 

      Haploid, and the chromosomes are each composed of the single chromatid

    • D. 

      Haploid, and the chromosomes are each composed of the two chromatid

  • 11. 
    A human cell containing 22 autosomes a Y chromosome is :
    • A. 

      A sperm

    • B. 

      An egg

    • C. 

      Zygote

    • D. 

      A somatic cell of male

  • 12. 
    Which life cycle stage is found in plants cell but not animals?
    • A. 

        gamete

    • B. 

      Zygote

    • C. 

      Multicellular haploid

    • D. 

      Unicellular diploid

  • 13. 
    In this figure, X=....... and Z=......... :
    • A. 

      Centromere - non-sister chromatids

    • B. 

      Centromere - homologous

    • C. 

      Centromere- sister chromatids

    • D. 

      Centromere - chromosomes

  • 14. 
    Separation of centromere in ----- of mitosis and in ------- of meiosis occurs in:
    • A. 

      Anaphase - anaphase ll

    • B. 

      Anaphase - anaphase l

    • C. 

      Anaphase ll - anaphase

    • D. 

      Anaphase l - anaphase

  • 15. 
    Which of the following occurs in meiosis but not in mitosis?
    • A. 

      Chromosome replication

    • B. 

      Synapsis of chromosomes

    • C. 

      Production of daughter cell

    • D. 

      Condensation of chromatin