Name ______Period______
Chapter 4 Section 3 Test Practice Questions
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 1. What is produced by mitosis?
a. / two identical cells / c. / chloroplastsb. / two nuclei / d. / two different cells
____ 2. Which one of the following does NOT perform mitosis?
a. / a prokaryotic cell / c. / a eukaryotic cellb. / a human body cell / d. / a plant cell
____ 3. Which of the following would form a cell plate during the cell cycle?
a. / human cell / c. / plant cellb. / prokaryotic cell / d. / All of the above
____ 4. The environment in your stomach is so acidic that cells lining it must be replaced every
a. / hour. / c. / week.b. / day. / d. / month.
____ 5. It takes Cell A 6 hours to complete its cell cycle and produce two cells. The cell cycle of Cell B takes 8 hours. How many more cells would be formed from Cell A than Cell B in 24 hours?
a. / 1 / c. / 4b. / 3 / d. / 8
____ 6. Chromosomes are organized structures of
a. / ATP. / c. / organelles.b. / DNA. / d. / phospholipids.
____ 7. Prokaryotic cells have
a. / a circular chromosome. / c. / 48 chromosomes.b. / 8 chromosomes. / d. / 23 pairs of homologous chromosomes.
____ 8. Which of the following would have cells that would undergo binary fission?
a. / a potato plant / c. / bacteriab. / a human body / d. / an insect
____ 9. Human body cells have
a. / a single, circular chromosome. / c. / 48 chromosomes.b. / 8 chromosomes. / d. / 23 pairs of homologous chromosomes.
____ 10. How many copies of each chromosome are made during the first stage of a eukaryotic cell cycle?
a. / 1 / c. / 3b. / 2 / d. / 4
____ 11. After duplication, how many chromatids are there in a pair of homologous chromosomes?
a. / 1 / c. / 3b. / 2 / d. / 4
____ 12. ____ ensures that each new eukaryotic cell receives a copy of each chromosome.
a. / mitosis / c. / endocytosisb. / osmosis / d. / exocytosis
____ 13. During the second stage of a eukaryotic cell cycle, the ____ line up along the equator of the cell.
a. / centromeres / c. / organellesb. / chromosomes / d. / Ribosomes
____ 14. Mitosis is usually divided into ____ stage(s).
a. / one / c. / threeb. / two / d. / four
____ 15. The number of chromosomes in the cells of eukaryotes
a. / is the same from one kind of organism to the next.b. / is directly proportional to the complexity of the organism.
c. / is inversely proportional to the complexity of the organism.
d. / has nothing to do with the complexity of the organism.
____ 16. Which of the following would NOT undergo mitosis?
a. / human cell / c. / plant cellb. / prokaryotic cell / d. / fungi cell
____ 17. Which of the following would have cells that would undergo cytokinesis?
a. / the human body / c. / bacteriab. / a plant / d. / algae
____ 18. Before mitosis begins,
a. / the nuclear membrane breaks apart.b. / the chromosomes and other cell materials are copied.
c. / the chromatids separate.
d. / the chromosomes line up along the equator of the cell.
____ 19. During the first phase of mitosis,
a. / the nuclear membrane breaks apart.b. / the chromosomes and other cell materials are copied.
c. / the chromatids separate.
d. / the chromosomes line up along the equator of the cell.
____ 20. In the final phase of mitosis,
a. / the chromosomes and other cell materials are copied.b. / the chromosomes line up along the equator of the cell.
c. / the chromatids separate.
d. / the nuclear membrane forms around the two new sets of chromosomes.
____ 21. Once mitosis is complete, the splitting of the cytoplasm or ____ occurs.
a. / endocytosis / c. / exocytosisb. / cytokinesis / d. / osmosis
____ 22. A difference in cell division between animal cells and plant cells occurs during
a. / endocytosis. / c. / cytokinesis.b. / mitosis. / d. / osmosis.
____ 23. What condenses into an "X" shape before mitosis?
a. / chromatids / c. / centriolesb. / centromeres / d. / cytoplasm
Study the illustration of the steps in mitosis and answer the questions that follow.
____ 24. At which stage of mitosis do the chromosomes line up along the equator (center) of the cell?
a. / A / c. / Cb. / B / d. / D
____ 25. At which stage of mitosis do the chromosomes pull apart?
a. / A / c. / Cb. / B / d. / D
____ 26. At which stage of mitosis does a membrane form around the separated chromatids and the chromosomes unwind?
a. / A / c. / Cb. / B / d. / D
____ 27. At which stage of mitosis do the chromosomes thicken and shorten?
a. / A / c. / Cb. / B / d. / D
____ 28. Which of the following correctly indicates the order in which mitosis occurs?
a. / A, B, C, D / c. / C, B, A, Db. / B, A, C, D / d. / A, C, B, D
Completion
Complete each sentence or statement.
29. In eukaryotes, ______creates two nuclei, and ______creates two cells. (cytokinesis/mitosis or mitosis/cytokinesis)
30. Human body cells have 23 pairs of ______. (chromatids or chromosomes)
31. The process of cell division in a bacterial cell is called ______. (mitosis or binary fission)
32. The different stages that a cell goes through in its lifetime is known as the ______.
33. The DNA of a eukaryotic cell is organized into structures called ______.
34. Chromosomes with similar information are called ______chromosomes.
35. After chromosomes are duplicated during the eukaryotic cell cycle, the two copies are held together at a region called the ______.
36. The two copies of a chromosome connected by a centromere are called ______.
37. ______is the process of nuclear division in eukaryotic cells.
38. In animal cells, the process in which cytoplasm divides after mitosis is ______.
Short Answer
39. Why are producers important to the survival of all other organisms?
______
40. In which cells would you expect to find the greater number of mitochondria: cells that are very active or cells that are not very active? Why?
______
41. a. How are binary fission and mitosis similar?
______
b. How are they different?
______
42. Why is it important for chromosomes to be copied before cell division?
______
43. How does cytokinesis differ in animals and plants?
______
44. What would happen if cytokinesis occurred without mitosis?
______
45. What is cell division?
______
46. How do prokaryotic cells make more cells?
______
47. How do eukaryotic cells make more cells?
______
48. How many chromatids are present in a chromosome at the beginning of mitosis?
______
49. What are the three stages of the cell cycle in a eukaryotic cell?
______
50. A parent cell has 10 chromosomes before dividing.
a. Will the cell go through binary fission or mitosis and cytokinesis to produce new cells?
______
b. How many chromosomes will each new cell have after the parent cell divides?
______
51. A cell has six chromosomes at the beginning of its cell cycle. How many chromatids will line up at the equator of the cell during mitosis?
______
Look at the cell below and answer the questions that follow.
52. Is the cell prokaryotic or eukaryotic?______
53. In what stage of the cell cycle is this cell?______
54. a. How many chromatids are present?______
b. How many pairs of homologous chromosomes are present?______
55. How many chromosomes will be present in each of the new cells after the cell divides?______
Examine the diagrams below and answer the questions that follow.
56. Which phase of mitosis does A represent? Explain.
______
57. Which phase of mitosis does B represent? Explain.
______
58. Use the following terms to complete the concept map below: oxygen, ATP, cellular respiration, glucose.
59. Suppose one cancer cell undergoes mitosis and forms two new cells every 3 hours. Those cells continue to divide every 3 hours. If you begin with a single cancerous cell, how many cells will you have after 12 hours? Show your work.
60. During cell division, mitochondria may be found in great numbers around the fibers that attach the centrioles to the sister chromatids. After cell division, the mitochondria are spread evenly throughout the cells. Explain why this happens.
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