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Biology I Formative Assessment #5 Multiple Choice Directions: Identify the choice that best completes the statement or answers the question. 1. The image below shows a microscopic image of plant cells going through different stages of mitosis. Which stage identification is correctly justified? A. B. C. D. 2. The presence of a nucleus indicates that B is prophase. The condensed chromosomes indicate that A is prophase. The missing nuclear envelope indicates that C is metaphase. The separation of sister chromatids indicates that D is telophase. Some organisms, such as bacteria, reproduce asexually; whereas, other organisms reproduce sexually. Which statement correctly states why one type of reproduction is beneficial over the other? A. Asexually reproduced offspring are more genetically diverse. B. Sexual reproduction produces organisms that are genetically diverse. C. Sexual reproduction can produce a large number of offspring very quickly. D. Asexual reproduction produces offspring genetically different from parents. 3. Meiosis and mitosis have different stages which have similarities and differences. What distinguishes Prophase during mitosis and Prophase I during meiosis? School Board of Broward County (Revised 10/2014) Page 1 of 4 A. B. C. D. 4. During Prophase I, chromatin condenses and shortens. During Prophase, spindle fibers pull the sister chromatids apart. During Prophase I, crossing over occurs which increases genetic diversity. During Prophase, the nuclear membrane breaks down which allows chromatin move to the central plane of the cell. A scientist wants to increase the chance of pregnancy in mice. He gives the mice a hormone which causes them to produce more reproductive cells. Which of the following statements justifies which process the cells went through after the hormone injections? A. Mitosis, because daughter cells which are identical genetically to the parent cell are needed for reproduction. B. Meiosis because the cells produced need to be diploid rather than haploid. C. Meiosis since it produces gametes needed for reproduction. D. Mitosis because more cells will be produced at a faster rate. 5. Cancer is the uninhibited growth of cells. Which of the following would be most likely to cause cancer? A. B. C. D. 6. A bacterial infection modifies a cell, causing it to grow out of control. Cells which come in contact with cancerous cells become cancerous themselves. During the synthesis stage, crossing over will cause cells to divide without inhibition. During the cell cycle, mutations occur which cause affected cells to divide uncontrollably. During interphase of the cell cycle, a muscle cell was determined to contain less mitochondria than needed. What would most likely happen to this cell? A. The unacceptable cell would most likely be detected during GAP1 and moved into G0. B. The defective cell will proceed through GAP1 and GAP2, but be destroyed during mitosis. C. The problem cell would be detected during the S-phase of the cell cycle and the cell will be destroyed. D. The problem will be corrected during the synthesis phase, then the cell will continue to go through mitosis. 7. As a cell goes through meiosis it changes. Which process is most important for producing haploid cells? A. independent assortment B. reduction division C. crossing over D. synthesis 8. Scientists have developed genetically modified crops that are more resistant to damage by School Board of Broward County (Revised 10/2014) Page 2 of 4 frost, chemicals, and drought. Which statement correctly justifies a drawback of bioengineered crops? A. B. C. D. 9. Disease resistance is a side effect of the genetic modification of plants Bioengineered crops are more fragile because of the changes in their genes. Food production is decreased since the genetic modifications are not beneficial. Plants lose diversity as a result of the production of plants with the same modifications. In 1973, Stanley Cohen and Herbert Boyer inserted a toxic gene from an African clawed frog into the plasmid of a bacterium. How did this discovery most impact society? School Board of Broward County (Revised 10/2014) Page 3 of 4 A. It led to other life-saving chemicals being produced by recombinant DNA. B. It revealed that bacterial DNA can be used to make an entirely new DNA strand. C. It allowed other toxic chemicals to be produced from genetically engineered frog DNA. D. It demonstrated how a DNA toxin from one organism can be used to kill another organism. 10. Which of the following uses of genetically modified organisms would cause the greatest concern to the public? A. Using gene therapy to replace defective genes in patients with sickle cell anemia. B. Incorporating recombinant DNA into plasmids so that bacteria produce insulin for patients with diabetes. C. Transferring a gene, which produces a toxin that kills crop eating caterpillars by poisoning their gut, into the DNA of a plant. D. Recombinant DNA being used to enable a bird flu to transfer from human to human in order to study the genetics of human to human transfer. School Board of Broward County (Revised 10/2014) Page 4 of 4 Biology I Formative Assessment #5 Answer Key Answer Correct Answer 1. B 2. 3. 4. B C C 5. D 6. A 7. B 8. 9. 10. D A D Benchmark SC.912.L.16.17 (assessing SC.912.L.16.14) SC.912.L.16.17 SC.912.L.16.17 SC.912.L.16.17 SC.912.L.16.17 (assessing SC.912.L.16.8) SC.912.L.16.17 (assessing SC.912.L.16.14) SC.912.L.16.17 (assessing SC.912.L.16.16) SC.912.L.16.10 SC.912.L.16.10 SC.912.L.16.10 School Board of Broward County (Revised 10/2014) DOK 2 3 3 3 2 2 2 3 3 3 Page 5 of 4