BIOLOGY LTF DIAGNOSTIC TEST CELL CYCLE & MITOSIS

Transcription

1 Biology Multiple Choice BIOLOGY LTF DIAGNOSTIC TEST CELL CYCLE & MITOSIS TEST CODE: 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. Telophase II. Metaphase III. Anaphase IV. Prophase 1. Spindle fibers are present in A) I and II only B) I, II and III only C) I and III only D) II and IV only E) I, II, III and IV 2. The correct sequence of the stages of mitosis is A) I, II, III, IV B) IV, II, III, I C) IV, III, II, I D) II, I, III, IV E) IV, I, III, II 3. Chromatids would move toward the centrosome during A) I only B) III only C) IV only D) I and II only E) II and III only 1

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 3 B) 1 and 4 C) 1 and 5 D) 3 and 4 E) 3 and 5 5. The centromere is located at the area labeled A) 1 B) 2 C) 3 D) 4 E) 5 6. Sister chromatids are indicated by the numbers A) 1 and 2 B) 1 and 3 C) 2 and 3 D) 3 and 5 E) 4 and 5 7. The structure shown in the diagram above is present during which phase of the cell cycle? A) Anaphase B) G 1 C) G 0 D) Prophase E) Telophase 2

3 8. If structure 1 exists during G 1, then structure 4 is formed during which stage of the cell cycle? A) S B) M C) G 0 D) G 1 E) G 2 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) 23 B fruit fly (2n) 8 C human cheek (2n) 46 D grasshopper gland (2n) 24 E onion root (2n) 6 9. If a grasshopper gland cell goes through mitosis, how many chromosomes would be found in each daughter cell? A) 6 B) 8 C) 16 D) 24 E) 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) endocytosis B) osmosis C) dehydration synthesis D) 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 prophase B) Cell A is in metaphase and Cell B is in interphase C) Cell A is in prophase and Cell B is in prophase D) Cell A is in anaphase and Cell B is in prophase E) Cell A is mutated and Cell B is normal 3

4 12. The purpose of the mitosis includes all of the following EXCEPT A) reproduction in a single-celled amoeba B) repair of tissue in an injury caused by a burn C) replacement of cells removed by a skinned knee D) lengthening the long bones of a child E) formation of sperm by a frog 13. The period of a normal cell cycle during which a cell would complete anaphase would be A) G 1 B) S C) G 2 D) M E) G All of the following events would occur during the M stage of the cell cycle EXCEPT A) chromosomal DNA is synthesized B) chromosomes move toward the poles of the cell C) chromosomes move toward the equatorial plane D) chromatin condenses into chromosomes E) sister chromatids separate 15. The correct order for the phases of the cell cycle is A) M, G 2, S, G 1 B) G 1, M, S, G 2 C) G 1, S, G 2, M D) M, S, G 2, G 1 E) G 2, S, M, G 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) anaphase B) interphase C) metaphase D) prophase E) telophase 4

5 17. Which of the following is a region of the cell that helps to organize the spindle? 18. A) Centriole B) Centromere C) Centrosome D) Chromatid E) Chromosome The diagram above depicts A) an animal cell growing a cell plate B) a plant cell developing a cleavage furrow C) an animal cell undergoing cytokinesis D) a plant cell undergoing cytokinesis E) 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 cells C) 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 chromatin B) inhibition of DNA replication C) inhibition of spindle formation D) disassembly of the nuclear envelope E) increase in the amount of cytoplasm 21. The stage of cell division in which chromosomes first condense and become visible is A) anaphase B) cytokinesis C) metaphase D) prophase E) telophase 5

6 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 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) 23 B fruit fly (2n) 8 C human cheek (2n) 46 D grasshopper gland (2n) 24 E onion root (2n) 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 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 6

7 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 refer to the following mitotic structures. A C B D E 32. A spindle fiber 33. Nuclear envelope 34. A centromere 35. A centrosome 7

8 Biology Multiple Choice BIOLOGY LTF DIAGNOSTIC TEST CELL CYCLE & MITOSIS TEST CODE: 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. Telophase II. Metaphase III. Anaphase IV. Prophase 1. Chromatids would move toward the centrosome during A) I only B) III only C) IV only D) I and II only E) II and III only 2. The correct sequence of the stages of mitosis is A) I, II, III, IV B) IV, II, III, I C) IV, III, II, I D) II, I, III, IV E) IV, I, III, II 3. Spindle fibers are present in A) I and II only B) I, II and III only C) I and III only D) II and IV only E) I, II, III and IV 1

9 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 3 B) 1 and 4 C) 1 and 5 D) 3 and 4 E) 3 and 5 5. The structure shown in the diagram above is present during which phase of the cell cycle? A) Anaphase B) G 1 C) G 0 D) Prophase E) Telophase 6. Sister chromatids are indicated by the numbers A) 1 and 2 B) 1 and 3 C) 2 and 3 D) 3 and 5 E) 4 and 5 2

10 7. If structure 1 exists during G 1, then structure 4 is formed during which stage of the cell cycle? A) S B) M C) G 0 D) G 1 E) G 2 8. The centromere is located at the area labeled A) 1 B) 2 C) 3 D) 4 E) 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) 23 B fruit fly (2n) 8 C human cheek (2n) 46 D grasshopper gland (2n) 24 E 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) endocytosis B) osmosis C) dehydration synthesis D) 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 prophase B) Cell A is in metaphase and Cell B is in interphase C) Cell A is in prophase and Cell B is in prophase D) Cell A is in anaphase and Cell B is in prophase E) Cell A is mutated and Cell B is normal 3

11 11. If a grasshopper gland cell goes through mitosis, how many chromosomes would be found in each daughter cell? A) 6 B) 8 C) 16 D) 24 E) The stage of cell division in which chromosomes first condense and become visible is A) anaphase B) cytokinesis C) metaphase D) prophase E) telophase 13. The purpose of the mitosis includes all of the following EXCEPT 14. A) reproduction in a single-celled amoeba B) repair of tissue in an injury caused by a burn C) replacement of cells removed by a skinned knee D) lengthening the long bones of a child E) formation of sperm by a frog The diagram above depicts A) an animal cell growing a cell plate B) a plant cell developing a cleavage furrow C) an animal cell undergoing cytokinesis D) a plant cell undergoing cytokinesis E) 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) anaphase B) interphase C) metaphase D) prophase E) telophase 4

12 16. The correct order for the phases of the cell cycle is A) M, G 2, S, G 1 B) G 1, M, S, G 2 C) G 1, S, G 2, M D) M, S, G 2, G 1 E) G 2, S, M, G 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 cells C) 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) Centriole B) Centromere C) Centrosome D) Chromatid E) Chromosome 19. All of the following events would occur during the M stage of the cell cycle EXCEPT A) chromosomal DNA is synthesized B) chromosomes move toward the poles of the cell C) chromosomes move toward the equatorial plane D) chromatin condenses into chromosomes E) 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 chromatin B) inhibition of DNA replication C) inhibition of spindle formation D) disassembly of the nuclear envelope E) increase in the amount of cytoplasm 5

13 21. The period of a normal cell cycle during which a cell would complete anaphase would be A) G 1 B) S C) G 2 D) M E) G 0 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 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) 23 B fruit fly (2n) 8 C human cheek (2n) 46 D grasshopper gland (2n) 24 E onion root (2n) 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? 6

14 Questions 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 7

15 Questions refer to the following mitotic structures. A C B D E 32. A spindle fiber 33. Nuclear envelope 34. A centromere 35. A centrosome 8