biology ltf diagnostic test cell cycle & … multiple choice 016044 biology ltf® diagnostic...
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Biology Multiple Choice016044
BIOLOGY LTF® DIAGNOSTIC TEST CELL CYCLE & MITOSIS
1
TEST CODE: 016044
Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet.
Questions 1-3 refer to the following stages of mitosis.
I. TelophaseII. MetaphaseIII. AnaphaseIV. Prophase
____ 1. Spindle fibers are present in
A) I and II onlyB) I, II and III onlyC) I and III onlyD) II and IV onlyE) I, II, III and IV
____ 2. The correct sequence of the stages of mitosis is
A) I, II, III, IVB) IV, II, III, IC) IV, III, II, ID) II, I, III, IVE) IV, I, III, II
____ 3. Chromatids would move toward the centrosome during
A) I onlyB) III onlyC) IV onlyD) I and II onlyE) II and III only
Biololgy Multiple Choice
2
Questions 4-8 refer to the following diagram of a chromosome.
____ 4. Which pair of numbered regions belong to a single chromatid?
A) 1 and 3B) 1 and 4C) 1 and 5D) 3 and 4E) 3 and 5
____ 5. The centromere is located at the area labeled
A) 1B) 2C) 3D) 4E) 5
____ 6. Sister chromatids are indicated by the numbers
A) 1 and 2B) 1 and 3C) 2 and 3D) 3 and 5E) 4 and 5
____ 7. The structure shown in the diagram above is present during which phase of the cell cycle?
A) AnaphaseB) G1
C) G0
D) ProphaseE) Telophase
Biololgy Multiple Choice
3
____ 8. If structure 1 exists during G1, then structure 4 is formed during which stage of the cell cycle?
A) SB) MC) G0
D) G1
E) G2
Questions 9 - 11
Crystal used a microscope to view a variety of prepared slides containing different types of cells undergoing cell division. The results of her analysis are shown below.
Slide Label Type of Cell Number of Chromosomes
A human sperm (n) 23B fruit fly (2n) 8C human cheek (2n) 46D grasshopper gland (2n) 24E onion root (2n) 6
____ 9. If a grasshopper gland cell goes through mitosis, how many chromosomes would be found in each daughter cell?
A) 6B) 8C) 16D) 24E) 48
____ 10. While observing slide B, Crystal noticed one cell that had twice as much DNA as the others. Which of the following best explains this difference?
A) endocytosisB) osmosisC) dehydration synthesisD) DNA synthesis E) catalysis
____ 11. Two fruit fly cells are observed. Cell A has 16 chromosomes while Cell B has 8 chromosomes. Which of the following statements are true regarding this pair of cells?
A) Cell A is in interphase and Cell B is in prophaseB) Cell A is in metaphase and Cell B is in interphaseC) Cell A is in prophase and Cell B is in prophaseD) Cell A is in anaphase and Cell B is in prophase E) Cell A is mutated and Cell B is normal
Biololgy Multiple Choice
4
____ 12. The purpose of the mitosis includes all of the following EXCEPT
A) reproduction in a single-celled amoebaB) repair of tissue in an injury caused by a burnC) replacement of cells removed by a skinned kneeD) lengthening the long bones of a childE) formation of sperm by a frog
____ 13. The period of a normal cell cycle during which a cell would complete anaphase would be
A) G1
B) SC) G2
D) ME) G0
____ 14. All of the following events would occur during the M stage of the cell cycle EXCEPT
A) chromosomal DNA is synthesizedB) chromosomes move toward the poles of the cellC) chromosomes move toward the equatorial planeD) chromatin condenses into chromosomesE) sister chromatids separate
____ 15. The correct order for the phases of the cell cycle is
A) M, G2, S, G1
B) G1, M, S, G2
C) G1, S, G2, MD) M, S, G2, G1
E) G2, S, M, G1
____ 16. Shantay is observing onion root tip cells under the microscope. She notices the chromosomes are lined up along the equatorial plane in two of the cells. These two cells are most likely in
A) anaphaseB) interphaseC) metaphaseD) prophaseE) telophase
Biololgy Multiple Choice
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____ 17. Which of the following is a region of the cell that helps to organize the spindle?
A) CentrioleB) CentromereC) CentrosomeD) ChromatidE) Chromosome
____ 18.
The diagram above depicts
A) an animal cell growing a cell plateB) a plant cell developing a cleavage furrowC) an animal cell undergoing cytokinesisD) a plant cell undergoing cytokinesisE) an plant cell during anaphase of mitosis
____ 19. Which of the following descriptions best matches a cell that is in S phase of the cell cycle?
A) The chromosomal DNA is being actively replicated.B) The cytoplasm and nuclei are partitioned into two different cellsC) The cell is growing, increasing in size and making new organelles.D) Organelles and molecules required for reproduction are being produced.E) The chromosomes are being moved to opposing areas of the cell.
____ 20. Some chemotherapy interferes with the assembly of microtubules at the cellular level. The effectiveness of the treatment must be related to
A) condensation of chromatinB) inhibition of DNA replicationC) inhibition of spindle formationD) disassembly of the nuclear envelopeE) increase in the amount of cytoplasm
____ 21. The stage of cell division in which chromosomes first condense and become visible is
A) anaphaseB) cytokinesisC) metaphaseD) prophaseE) telophase
Biololgy Multiple Choice
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Directions: The group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group.
Questions 22-24
Crystal used a microscope to view a variety of prepared slides containing different types of cells undergoing cell division. The results of her analysis are shown below.
Slide Label Type of Cell Number of Chromosomes
A human sperm (n) 23B fruit fly (2n) 8C human cheek (2n) 46D grasshopper gland (2n) 24E onion root (2n) 6
22. Which slide has cells that do not go through mitosis?
23. Which slide contains cells that would have 12 chromosomes during anaphase?
24. All of the slides contain diploid cells except.
Questions 25-31 refer to the following diagrams of cells in various stages of division.
25. A cell in telophase
26. A cell in metaphase of mitosis
27. A cell in prophase of mitosis
Biololgy Multiple Choice
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28. Shows daughter cells
29. Shows a cleavage furrow
30. Shows a cell in anaphase
31. Shows a cell where the DNA exists as chromatin
Questions 32 - 35 refer to the following mitotic structures.
A
B
C
D E
32. A spindle fiber
33. Nuclear envelope
34. A centromere
35. A centrosome
Biology Multiple Choice016045
BIOLOGY LTF® DIAGNOSTIC TEST CELL CYCLE & MITOSIS
1
TEST CODE: 016045
Directions: Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case and fill in the corresponding oval on the answer sheet.
Questions 1-3 refer to the following stages of mitosis.
I. TelophaseII. MetaphaseIII. AnaphaseIV. Prophase
1. Chromatids would move toward the centrosome during
A) I onlyB) III onlyC) IV onlyD) I and II onlyE) II and III only
2. The correct sequence of the stages of mitosis is
A) I, II, III, IVB) IV, II, III, IC) IV, III, II, ID) II, I, III, IVE) IV, I, III, II
3. Spindle fibers are present in
A) I and II onlyB) I, II and III onlyC) I and III onlyD) II and IV onlyE) I, II, III and IV
Biololgy Multiple Choice
2
Questions 4-8 refer to the following diagram of a chromosome.
4. Which pair of numbered regions belong to a single chromatid?
A) 1 and 3B) 1 and 4C) 1 and 5D) 3 and 4E) 3 and 5
5. The structure shown in the diagram above is present during which phase of the cell cycle?
A) AnaphaseB) G1
C) G0
D) ProphaseE) Telophase
6. Sister chromatids are indicated by the numbers
A) 1 and 2B) 1 and 3C) 2 and 3D) 3 and 5E) 4 and 5
Biololgy Multiple Choice
3
7. If structure 1 exists during G1, then structure 4 is formed during which stage of the cell cycle?
A) SB) MC) G0
D) G1
E) G2
8. The centromere is located at the area labeled
A) 1B) 2C) 3D) 4E) 5
Questions 9 - 11
Crystal used a microscope to view a variety of prepared slides containing different types of cells undergoing cell division. The results of her analysis are shown below.
Slide Label Type of Cell Number of Chromosomes
A human sperm (n) 23B fruit fly (2n) 8C human cheek (2n) 46D grasshopper gland (2n) 24E onion root (2n) 6
9. While observing slide B, Crystal noticed one cell that had twice as much DNA as the others. Which of the following best explains this difference?
A) endocytosisB) osmosisC) dehydration synthesisD) DNA synthesis E) catalysis
10. Two fruit fly cells are observed. Cell A has 16 chromosomes while Cell B has 8 chromosomes. Which of the following statements are true regarding this pair of cells?
A) Cell A is in interphase and Cell B is in prophaseB) Cell A is in metaphase and Cell B is in interphaseC) Cell A is in prophase and Cell B is in prophaseD) Cell A is in anaphase and Cell B is in prophase E) Cell A is mutated and Cell B is normal
Biololgy Multiple Choice
4
11. If a grasshopper gland cell goes through mitosis, how many chromosomes would be found in each daughter cell?
A) 6B) 8C) 16D) 24E) 48
12. The stage of cell division in which chromosomes first condense and become visible is
A) anaphaseB) cytokinesisC) metaphaseD) prophaseE) telophase
13. The purpose of the mitosis includes all of the following EXCEPT
A) reproduction in a single-celled amoebaB) repair of tissue in an injury caused by a burnC) replacement of cells removed by a skinned kneeD) lengthening the long bones of a childE) formation of sperm by a frog
14.
The diagram above depicts
A) an animal cell growing a cell plateB) a plant cell developing a cleavage furrowC) an animal cell undergoing cytokinesisD) a plant cell undergoing cytokinesisE) an plant cell during anaphase of mitosis
15. Shantay is observing onion root tip cells under the microscope. She notices the chromosomes are lined up along the equatorial plane in two of the cells. These two cells are most likely in
A) anaphaseB) interphaseC) metaphaseD) prophaseE) telophase
Biololgy Multiple Choice
5
16. The correct order for the phases of the cell cycle is
A) M, G2, S, G1
B) G1, M, S, G2
C) G1, S, G2, MD) M, S, G2, G1
E) G2, S, M, G1
17. Which of the following descriptions best matches a cell that is in S phase of the cell cycle?
A) The chromosomal DNA is being actively replicated.B) The cytoplasm and nuclei are partitioned into two different cellsC) The cell is growing, increasing in size and making new organelles.D) Organelles and molecules required for reproduction are being produced.E) The chromosomes are being moved to opposing areas of the cell.
18. Which of the following is a region of the cell that helps to organize the spindle?
A) CentrioleB) CentromereC) CentrosomeD) ChromatidE) Chromosome
19. All of the following events would occur during the M stage of the cell cycle EXCEPT
A) chromosomal DNA is synthesizedB) chromosomes move toward the poles of the cellC) chromosomes move toward the equatorial planeD) chromatin condenses into chromosomesE) sister chromatids separate
20. Some chemotherapy interferes with the assembly of microtubules at the cellular level. The effectiveness of the treatment must be related to
A) condensation of chromatinB) inhibition of DNA replicationC) inhibition of spindle formationD) disassembly of the nuclear envelopeE) increase in the amount of cytoplasm
Biololgy Multiple Choice
6
21. The period of a normal cell cycle during which a cell would complete anaphase would be
A) G1
B) SC) G2
D) ME) G0
Directions: The group of questions below consists of five lettered answers followed by a list of numbered phrases or sentences. For each numbered phrase or sentence select the one answer that is most closely related to it and fill in the corresponding oval on the answer sheet. Each answer may be used once, more than once or not at all in each group.
Questions 22-24
Crystal used a microscope to view a variety of prepared slides containing different types of cells undergoing cell division. The results of her analysis are shown below.
Slide Label Type of Cell Number of Chromosomes
A human sperm (n) 23B fruit fly (2n) 8C human cheek (2n) 46D grasshopper gland (2n) 24E onion root (2n) 6
22. Which slide contains cells that would have 12 chromosomes during anaphase?
23. All of the slides contain diploid cells except.
24. Which slide has cells that do not go through mitosis?
Biololgy Multiple Choice
7
Questions 25-31 refer to the following diagrams of cells in various stages of division.
25. A cell in metaphase of mitosis
26. Shows a cleavage furrow
27. Shows daughter cells
28. A cell in prophase of mitosis
29. A cell in anaphase
30. A cell in telophase
31. Shows a cell where the DNA exists as chromatin
Biololgy Multiple Choice
8
Questions 32 - 35 refer to the following mitotic structures.
A
B
C
D E
32. A spindle fiber
33. Nuclear envelope
34. A centromere
35. A centrosome