EOC Practice Test #2

38 Questions | Total Attempts: 271

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EOC Practice Test #2

Questions and Answers
  • 1. 
    One difference between cytokinesis in plant cells and in animal cells is that plant cells have
    • A. 

      A cell plate.

    • B. 

      Chromatin.

    • C. 

      Centrioles.

    • D. 

      Centromeres

  • 2. 
    During which phase of mitosis do the chromosomes line up along the equator (middle) of the dividing cell?
    • A. 

      Metaphase

    • B. 

      Telophase

    • C. 

      Anaphase

    • D. 

      Prophase

  • 3. 
    Crossing-over does not occur in mitosis, unlike meiosis. Which of the following is the likely reason?
    • A. 

      Chromatids are not involved in mitosis.

    • B. 

      A cell undergoing mitosis does not have homologous chromosomes.

    • C. 

      There is no prophase during mitosis.

    • D. 

      Homologous chromosomes do not pair up during mitosis.

  • 4. 
    Which of the following is a TRUE about the events of the cell cycle?
    • A. 

      The M phase is usually the longest phase.

    • B. 

      Interphase consists of the G1, S, and, G2 phases.

    • C. 

      Little happens during the G1 and G2 phases.

    • D. 

      DNA replicates during cytokinesis.

  • 5. 
    Which of the following is NOT a correct statement about the events of the cell cycle?
    • A. 

      The cell grows during the G1 phase.

    • B. 

      Cell division ends with cytokinesis.

    • C. 

      DNA replicates during the M phase.

    • D. 

      Interphase is usually the longest phase.

  • 6. 
    During what phase of meiosis does nondisjunction occur?
    • A. 

      Metaphase I

    • B. 

      Anaphase I

    • C. 

      Prophase II

    • D. 

      Metaphase II

  • 7. 
    Which of the following is NOT true about mitosis and meiosis?
    • A. 

      Mitosis produces somatic cells and Meiosis produces gametes.

    • B. 

      There are 2 separate divisions in Meiosis and only 1 division in Mitosis.

    • C. 

      Mitosis produces genetically identical cells and Meiosis produces genetically different cells.

    • D. 

      DNA replication happens once in Mitosis and DNA replicates twice in Meiosis.

  • 8. 
    During what stage of Meiosis does crossing over occur?
    • A. 

      Between Prophase I and Anaphase I

    • B. 

      Between Prophase II and Anaphase II

    • C. 

      During Interphase

    • D. 

      Crossing over only occurs during Mitosis

  • 9. 
    During which phase of mitosis do spindle fibers separate (pull apart) sister chromatids?
    • A. 

      Anaphase

    • B. 

      Metaphase

    • C. 

      Prophase

    • D. 

      Telophase

  • 10. 
    At what point are the cells in Meiosis first considered haploid?
    • A. 

      Prophase I

    • B. 

      Prophase II

    • C. 

      Telophase II

    • D. 

      Haploid cells are NOT present throughout in meiosis.

  • 11. 
    Unlike mitosis, meiosis results in the formation of
    • A. 

      4 diploid cells.

    • B. 

      2 diploid cells.

    • C. 

      4 haploid cells.

    • D. 

      2 haploid cells.

  • 12. 
    The region labeled A in Figure 9-1 is called the
    • A. 

      Spindle.

    • B. 

      Centriole.

    • C. 

      Sister chromatid.

    • D. 

      Centromere.

  • 13. 
    These diagrams represent different stages of animal cell division. From start to finish, what is the correct order of the stages?
    • A. 

      2, 4, 3, 1

    • B. 

      2, 3, 4, 1

    • C. 

      3, 2, 1, 4

    • D. 

      3, 1, 2, 4

  • 14. 
    What is the purpose of mitosis?
    • A. 

      To produce 2 cells, each with 2 complete sets of chromosomes

    • B. 

      To produce 2 cells, each with half the normal number of chromosomes

    • C. 

      To produce 4 cells, each with 2 complete sets of chromosomes

    • D. 

      To produce 4 cells, each with half the normal number of chromosomes

  • 15. 
    What occurs during metaphase I of meiosis?
    • A. 

      Centromeres of replicated chromosomes line up along the cell’s equator.

    • B. 

      Centromeres divide as sister chromatids move toward opposite poles of the cell.

    • C. 

      Homologous chromosome pairs line up along the cell’s equator.

    • D. 

      Homologous chromosomes move toward opposite poles of the cell.

  • 16. 
    Which of the following has the stages of the cell cycle in the correct sequence?
    • A. 

      G1, G2, S, Prophase, Anaphase, Metaphase, Telophase, Cytokinesis

    • B. 

      G1, S, G2, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis

    • C. 

      G1, S, G2, Cytokinesis, Prophase, Metaphase, Anaphase, Telophase

    • D. 

      S, G1, G2, Metaphase, Anaphase, Telophase, Prophase, Cytokinesis

  • 17. 
    Which of the following is a major difference between the production of gametes in males and females?
    • A. 

      Male sperm will have always have an X chromosome but female eggs will have either an X or a Y chromosome.

    • B. 

      Males produce 4 viable cells but females only produce 1 viable cell and 3 polar bodies.

    • C. 

      Mitosis occurs in males and meiosis occurs in females.

    • D. 

      There is no difference between gamete production in males and females.

  • 18. 
    Which of the following is NOT true of crossing over?
    • A. 

      Crossing over occurs when homologous chromosomes exchange genetic material.

    • B. 

      Crossing over occurs during DNA replication.

    • C. 

      Crossing over increases genetic diversity.

    • D. 

      Crossing over usually only occurs during Meiosis.

  • 19. 
    What is the goal of basic scientific research in biology?
    • A. 

      Finding cures that will prolong human life through the study of disease

    • B. 

      Developing a more complete understanding of the interactions within and surrounding living organisms

    • C. 

      Creating a comprehensive set of laws that allow us to predict how matter behaves and interacts

    • D. 

      Providing a better understanding of the origin of life in the universe

  • 20. 
    The theory of spontaneous generation was first proposed by ___.
    • A. 

      Needham

    • B. 

      Aristotle

    • C. 

      Plato

    • D. 

      Redi

  • 21. 
    Dr. Hansen performs an experiment testing the effectiveness of different cough syrups. Identify the independent variable in the experiment.
    • A. 

      Number of people taking each cough syrup

    • B. 

      Type of cough syrup

    • C. 

      Number of days people take each cough syrup

    • D. 

      Flavor of the cough syrup

  • 22. 
    Who helped disprove the idea of spontaneous generation by demonstrating that maggots come from fly eggs and NOT from meat?
    • A. 

      Louis Pasteur

    • B. 

      John Needham

    • C. 

      Francesco Redi

    • D. 

      Lazzaro Spallanzani

  • 23. 
    Mr. Johnson asked his class to examine and make scientific observations about a soccer ball. Which of the following is an inference NOT an observation?
    • A. 

      The object has never been used in a soccer game.

    • B. 

      The object is black and white.

    • C. 

      The object has a circumference of 71 cm.

    • D. 

      The object weighs 454 grams.

  • 24. 
    Aisha wants to conduct an experiment to determine whether sun and shade varieties of the same plant species prefer the same wavelengths of light. She plans to measure rates of photosynthesis. Which design would be best for her experiment?
    • A. 

      10 plants of the sun variety tested under blue light only; and 10 plants of the shade variety tested under blue light only

    • B. 

      40 plants of the sun variety: 10 tested under blue light, 10 under green, 10 under red, and 10 under yellow light with 40 plants of the shade variety: 10 tested under blue light, 10 under green, 10 under red, and 10 under yellow light

    • C. 

      1 plant of the sun variety tested under blue light only, and 1 plant of the shade variety tested under blue light only

    • D. 

      4 plants of the sun variety: 1 tested under blue light, 1 under green, 1 under red, and 1 under yellow light with 4 plants of the shade variety: 1 tested under blue light, 1 under green, 1 under red, and 1 under yellow light

  • 25. 
    The process by which organisms keep their internal conditions fairly constant is called
    • A. 

      Metabolism.

    • B. 

      Homeostasis.

    • C. 

      Photosynthesis.

    • D. 

      Evolution.

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