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Biology Review Sheet Chapter 9
Mrs. Sands
A. Multiple Choice
1. Which of the following shows the correct sequence of the cell cycle?
a. Mitosis G1 S Cytokinesis  G2
c. Cytokinesis G1  S  Mitosis
b. S  G1 G2 Mitosis
d. G1 S G2 Mitosis Cytokinesis
2. Cancer is caused by a malfunction in what?
a. DNA Replication
c. Meiosis
b. Cytokinesis
d. Cell Cycle
3. During the cell cycle approximately what percent of time does a normal cell spend in interphase?
a. 25%
c. 90%
b. 50%
d. 100%
4. What is the first stage of mitosis?
a. Prophase
b. Telophase
c. Interphase
d. Metaphase
5. Which of the following prefixes means “middle?”
a. Proc. Exob. Interd. Meta6. A typical human cell contains 46 chromosomes. After mitosis each of the daughter cells:
a. have different # of chromosomes than parent cell. c. contain 46 chromosomes
b. contain 23 chromosomes.
d. become sperm and eggs.
7. During which stage of the cell cycle do chromosomes shorten and thicken?
a. Prophase
c. Anaphase
b. Metaphase
d. Telophase
8. During which stage of the cell cycle are sister chromatids separated?
a. Prophase
c. Anaphase
b. Metaphase
d. Telophase
9. During which stage of the cell cycle do chromosomes line up at the center of the cell on the spindle fibers?
a. Prophase
c. Anaphase
b. Metaphase
d. Telophase
10. The picture to shows which stage of mitosis?
a. Prophase
c. Anaphase
b. Metaphase
d. Telophase
11. During which stage of the cell cycle are chromosomes doubled?
a. Interphase
c. Metaphase
b. Cytokinesis
d. Anaphase
12. Which of the following statements about mitosis is TRUE?
a. Mitosis is the process of replicating our DNA
b. Brain cells are formed by mitosis
c. The process of mitosis slows down with age
d. Cancer results from mitosis going at a very slow rate.
13. What is the name of the structure that holds chromatids together?
a. centriole
c. chromatid
b. chromatin
d. centromere
14. A partial diagram of a reproductive process is shown to the right. Which of the
following labels belongs in the oval marked X?
a. Egg
c. Gamete
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b. Baby
d. Zygote
15. Which of the terms below means “dangerous to your health?”
a. Cytokinesis
c. Malignant
b. Interphase
d. Benign
16. How many chromosomes are found in human body cells?
a. 4
c. 46
b. 23
d. 92
17. The diagram to the right shows a generalized cycle in sexually reproducing animals.
What is Process A in this cycle?
a. Mitosis
c. DNA Replication
b. Osmosis
d. Fertilization
18. A horse has 64 chromosomes in its body cells. How many chromosomes would it
have in its gametes?
a. 64
c. 128
b. 32
d. 23
19. Which of the following statements is true about meiosis?
a. Meiosis produces body cells
b. Meiosis increases the number of chromosomes in cells
c. Meiosis is a two stage division
d. Meiosis occurs throughout the body.
20. What type of cell is diploid?
a. body cell
b. sperm
c. gamete
d. egg
21. A tomato plant in a greenhouse was found to be infected with tobacco mosaic virus. A few weeks later, nearby plants
were also found to be infected with the virus. Which of the following best describes how the virus reproduced?
a) The virus made its own spores.
b) The virus produced seeds in the tomatoes.
c) The virus used the host plant’s resources and machinery to reproduce.
d) The virus immediately killed the host plant and was free to reproduce
22. A cat has 38 chromosomes in its body cells. How many chromosomes would it have in its gametes?
a) 12
c. 19
b) 38
d. 72
B. Stage Identification: Identify the stage of the cell cycle that each of the following occur in.
Interphase
Prophase
Metaphase
Anaphase
Telophase
23. Chromosomes shorten and thicken. ______________________
24. Sister chromatids are pulled apart to opposite ends of the cell toward the centrioles. ______________________
25. Chromosomes line up at the center of the cell on spindle fibers. ______________________
26. Nuclear membrane breaks down. ______________________
27. Nuclear membrane reforms. ______________________
28. Chromosomes are doubled. ______________________
29. Cell membrane pinches in until two new cells form. ______________________
30. The stage a cell spends the most time in. ______________________
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C. Stage Identification: Determine which stage of the cell cycle that each of the following pictures are in.
32. __________________
33. __________________
34. __________________
35. __________________
D. Vocabulary Matching
Chapter 9
36. ________ Chromatid
a. Process of cell division / reproduction
37. ________Cancer
b. Abnormal and uncontrolled cell division
38. ________Anaphase
c. First and longest stage of mitosis
39. ________Prophase
d. Third stage of mitosis; chromosomes being separated & pulled towards centrioles
40. ________Daughter Cell
e. 1/2 of a chromosome; when two are together called "sisters"
41. ________Mitosis
f. Cycle of a cell's life (interphase and mitosis)
42. ________Telophase
g. Connected to centrioles; separates chromosomes during anaphase
43. ________Cell Cycle
h. Last stage of mitosis; followed by cytokinesis
44. ________Spindle Fiber
i. Division of cytoplasm
45. ________Cytokinesis
j. Cell formed from parent cell during process of mitosis
Chapter 10.1
46. ________Meiosis
a. A haploid sex cell formed during meiosis (ex. sperm or egg)
47. ________Crossing Over
b. Cell with half the number of chromosomes (n)
48. ________Zygote
c. 1 of 2paired chromosomes - carries genes for a specific trait @ same location
49. ________Haploid
d. Exchange of chromosomal segments between chromosomes during meiosis
50. ________Gamete
e. Reduction division process occurring only in reproductive cells
51. ________Fertilization
f. Process by which haploid gametes combine and form a diploid cell
52. ________Diploid
g. Having two copies of each chromosome (2n)
53. ________Homologous
Chromosome
h. Fertilized egg formed when a sperm penetrates an egg
E. Short Answer: Answer the question.
54. How does cancer relate to the cell cycle?
55. Explain why we need the process of mitosis.
56. Why must a cell make a copy of its chromosomes before it goes through mitosis?
57. Explain how viruses replicate (perform cell reproduction).
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58. Explain why gametes must be haploid
F. Compare & Contrast: Complete the following Venn Diagram by putting the statements below in the correct category.
59. Produces two body cells
62. Cells are diploid
65. Daughter cells are identical
60. Produces four gametes
63. DNA replication occurs
66. Cells are dividing
61. Cells are haploid
64. Crossing over occurs
Mitosis
Both
Meiosis
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