Page 1Page 2Page 3Page 4Page 5Page 6-1-BIOS 100 - Fall, 2005 Name:Exam II, 14 October, 2005Michael Muller, Instructor TA:This exam consists of 55 questions over 6 pages. Please check to see that all the pages are present beforeyou begin. Use a #2 pencil and bubble in all answers. Your score will be posted on the UIC Blackboardsite as soon as they are in. The answer to question 26 is C. No kidding. Why don’t you guys believe me? I am getting a little offended - I work hard to make these instructions and no one reads them. Good Luck! Matching of a sorts - use the diagrams below of 2n=6 cells to answer questions 1-5.I II IIIIV V VI1. Which of the cells pictured above are in Metaphase I?A. I B. II C. III D. IV E. V2. Which of the cells pictured above is crossing over taking place?A. II B. III C. IV D. V E. VI3. Which of the above pictured cells are in any stage of Meiosis I?A. III B. IV C. III, IV D. III, IV, VI E. None of the above4. Which of the cells pictured above are in anaphase of mitosis?A. II B. III C. IV D. V E. None of the above5. How many of the above cells are in a stage of meiosis?A. 2 B. 3 C. 4 D. 5 E. 66. During which stage of the cell cycle are cyclin levels the greatest?A. G0 B. G1 C. S D. M E. S & M7. Cancer cells do not exhibit contact inhibitionA. True B. False-2-8. Which of the following statements (A-D) about cancer and genes is FALSE? If statements A-D aretrue, then choose E. A. Healthy cells contain functional proto-oncogenes and tumor supressor genesB. Proto-oncogenes speed up cell divisionC. Tumor supressor genes slow down cell divisionD. If either of these types of genes becomes damaged, it can become a cancer-causing geneE. All of the above statements about cancer and genes are TRUE9. When do homologous chromosomes separate during meiosis?A. Metaphase I B. Anaphase I C. Metaphase IID. Anaphase II E. None of the above10 During which stage of the cell cycle is helicase most active?A. G0 B. G1 C. G2 D. S E. None of the above11. When do sister chromatids separate during meiosis?A. Metaphase I B. Anaphase I C. Metaphase IID. Anaphase II E. None of the above12. Which of the following statements (A-D) about chromosomes is FALSE. If answers A-D are true,then choose E.A. Chromosomes are composed primarily of DNA and proteinB. Sister chromatids are joined at the centromereC A human male has two homologous X chromosomes (X chromosome = chromosome 23)D. During mitosis and meiosis, the spindle fibers attach to the kinetochore region of thecentromereE. All of the above statements are TRUE13. When do homologous chromosomes separate during mitosis?A. Prophase B. Metaphase C. AnaphaseD. Telophase E. None of the above14. Which of the following statements (A-D) about MPF is FALSE? If statements A-D are true, thenchoose E. A. MPF is an aggregation of a cyclin and a CDKB. MPF levels are greatest during the M phase of MitosisC. MPF complexes are formed at the G2 checkpointD. MPF initiates a process which destroys CDK’s, thus ending MitosisE. All of the above statements are TRUE15. Which of the following is NOT a function of the roots?A. Reproduction B. Storage C. Support D. Water acquisitionE. All of the above are functions of the roots16. I am looking at a plant. It has a ring of discrete vascular bundles, leaves with pinnate venation, andfive petaled flowers. What kind of plant is it?A. Herbaceous Monocot B. Herbaceous DicotC. Woody Monocot D. Woody Dicot-3-Use the diagrams below to answer questions 17-20I IIIII IV17. Which of the above illustrations above are of roots?A. I B. II C. III D. I & II E. I, II, III18. Which of the above illustrations are of dicots?A. III B. IV C. I, III D. III, IV E. I, III, IV19. Which of the above illustrations shows secondary growth?A. II B. III C. II, III D. III, IV E. II, III, IV20. Which of the above illustrations represents herbaceous stems?A. II B. III C. II, III D. III, IV E. II, III, IV21. All of the characteristics below are found in monocots except:A. Flower parts in 3's B. Seeds C. Fibrous root systemD. Secondary xylem E. Scattered vascular bundles22. Which of the tissues below are examples of dermal tissue?A. Epidermis B. Endodermis C. Pallisade MesophyllD. Cortex E. A & B23. Which of the following tissues is NOT meristematic?A. Root apical meristem B. Shoot apical meristemC. Vascular Cambium D. PericycleE. All of the above are meristematic-4-Use the key below to answer questions 23-26I. Collenchyma IV Sieve-tube elementII. Parenchyma V. Tracheids and vesselsIII. Sclerenchyma24. Which of the above cell types have a function in supporting the plant?A. I B. III C. I, III D. I, III, V E. I, II, III, V25. Which of the following conduct water and/or photosynthate?A. II B. IV C. V D. IV, V E. II, IV26. Which of the following cell types is a “fiber”A. I B. II C. III D. IV E. V27. Which of the above cell types are living at functional maturityA. II B. I, II C. I, II, IV D. I, II, V E. I, II, IV, V28. Which of the below are associated with secondary growth? A. Root apical meristem B. Shoot apical meristemC. Vascular cambium D. PericycleE. Axial meristem29. Which of the following statements (A-D) about plants is FALSE. If statements A-D are true, thenchoose E.A. Plants have determinant growthB. Meiosis and gametogenesis are separate in plantsC. Plants have variable number of organsD. Plants are photosynthetic organisms that cannot moveE. All of the above statements about plants are TRUE30. Which of the following statements (A-D) about angiosperms is FALSE. If statements A-D are true,then choose EA. Angiosperms completely lack gametophytesB. Flowers are a characteristic unique to angiospermsC. Angiosperms have coevolved with animals to facilitate pollinationD. In angiosperm double fertilization, one sperm fertilizes the egg producing the zygote whilethe another fertilizes the two polar nuclei, producing the endospermE. All of the above statements about angiosperms are TRUE31. Which of the below areas is the farthest away from the tip of the root?A. Root cap B. Apical meristem C. Quiescent CenterD. Zone of cell division E. Zone of Maturation32. Which of the following is NOT a benefit to seed-based reproduction?A. The food in the seed helps to nurture the plant while it becomes establishedB. The seed coat provides
View Full Document
Unlocking...