August 2008 - NAME (PRINT): Lest/Surname FirsUGiven Name...

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Unformatted text preview: NAME (PRINT): Lest/Surname FirsUGiven Name STUDENT NO: SIGNATURE: UNlVERSITY OF TORONTO MISSISSAUGA AUGUST 2008 FINAL EXAMINATION BIO153H5S Diversity of Organisms Michael DeBraga Duration - 3 hours Aids: None You may be charged with an academic offence for possessing the following items during the writing of an exam unless otherwise specified: any unauthorized aids, including but not limited to calculators, cell phones, pagers, wristwatch calculators, personal digital assistants (PDAs), iPods, MP3 players, or any other device. if any of these items are in your possession in the area of your desk, please turn them off and put them with your belongings at the front of the room before the examination begins. A penalty may be imposed if any of these items are kept with you during the writing of your exam. Please note, students are NOT allowed to petition to RE-WRITE a final examination. i Diversity of Organisms (F INAL EXAM) August 20th, 2008 ' Biology 153 1/9 Name: Student # 2008 Bl0153HSS: Diversity of Organisms Instructor: Dr. M. deBraga Wednesday, August 205‘, 2008 LEC0101: 12:00 — 3:00 South Bldg. Cafe' (A) Overview: This Exam is worth 40% of your course mark. All multiple choice and True 8. False questions are of equal value and are 1 mark each; short answer questions are 10 marks in total (TOTAL MARKS = 60). No aids are allowed. GOOD LUCK! "Section I: Multiple Choice. Please select the best answer. (1 mark each = 40 marks) Circle the letter with the best answer I 1. The biologist who first described a new eukaryotic kingdom called Protista was: A. Chatton B. Schleiden C. Linnaeus D. Haeckel E. None of the above. 2. Green algae are... A. ...a monophyletic group, which gave rise to land plants. B. ...a monophyletic group, which gave rise to aquatic plants. C. ...a paraphyletic group, which gave rise to land plants. D. ...a paraphyletic group, which gave rise to vascular plants. E. None of the above. 3. The light sensitive compound chlorophyll a & b is present in A. ...all vascular plants but not algae. B. ...all vascular plants including all algae. C. ...all vascular plants including blue—green algae. D. ...all vascular plants including green algae. E. None of the above. 4. The accessory pigments known as xanthophylls and caretenoids serVe what major role? A. Enhance photosynthesis by taking advantage of other wavelengths of light more common in the Fall. B. Serve no specific purpose other than adding colour to leaves in the Fall. i C. Act as a natural sunscreen for leaves against UV radiation. I D. Are used as antibacterial agents in plants I l E. Both A & C are correct. Diversity of Organisms (FINAL EXAM) August 20th, 2008 Biology 153 2/9 5. The life—cycle that is common to all vascular plants is.... A. ...the type II life-cycle where the gametophyte is dominant. B. ...the type III life-cycle where the gametophyte is dominant. C. ...the type II life-cycle where the sporophyte is dominant. D. ...the type III life-cycle where the sporophyte is dominant. E. None of the above. 6. In plants, stomata evolved as a means to conserve water. The presence of stomata is a synapomorphy of.... A. all bryophytes and vascular plants. 3. all bryophytes and seed plants. C. some bryophytes and vascular plants. D. of hornwoits, mosses, and all vascular plants. E. Both C & D are correct. 7. The Rhynie Chert in Scotland is significant for... A. containing fossils of early vascular plants, which lacked true roots and leaves. B. containing fossils of early non-vascular plants, which lacked true roots and leaves. C. containing fossils of early vascular plants, which possessed true roots and leaves. D. containing fossils of early non-vascular plants. E. None of the above. 8. The earliest leaves arose... A. as a single evolutionary event. B. independently at least twice in early vascular plants. C. independently as either microphylls or megaphylls in early non-vascular plants. D. from modified sporangia or branches. E. Both B & D are correct. 9. “Palm trees” are not true trees because... A. they lack a tissue known as the apical meristem. B. they lack a tissue known as the lateral meristem. C. they lack real woody tissue. D. they are simply large plants. E. Only A is incorrect. 10. Although once the most dominant plants of earth, today seedless vascular plants make up a much smaller group of plants which include: A. Lycophyta, Sphenophyta, Psilophyta, & Pteridophyta. B. club mosses, horsetails, wisk fern, & ferns. C. liverworts, hornworts, & seed-ferns. D. None of the above. E. Both A 8L B are correct. 11. During the Permian the climate changed and became..- A. cold. B. cold and wet. C. cold and dry. D. hot & wet. Diversity of Organisms (FINAL EXAM) August 20‘“, 2008 Biology 153 3/9 12. Gymnosperms represent A. a monophyletic group that includes present day conifers. B. a paraphyletic group that includes present day conifers. C. a polyphyletic group that inciudes present day conifers. D . a paraphyletic group that includes present day ginkgoes, conifers, cycads, & gentophytes. E. All of the above. 13. Angiosperms can aiso be classified as... A. a monophyletic group of vascular plants. B. seed plants that possess flowers. C. the most derived group of vascular plants which arose during the Cretaceous. D. E. an assemblage of plants that all share the common trait of possessing flowers. All! of the above. 14. Angiosperms possess a type of fertilization known as.... sexual fertilization. A. B. multisporic fertilization. C. endospermic fertilization. D. double fertilization. E. None of the above. 15. A pollinator syndrome is U 56% A. an exotic affliction found in bees. B. a condition found in plants that have been p llnated various times. C. a term used to describe the mechanism sued in the pollination of plants D E. . a term that describes the specific interaction between a pollinator and a plant. Both C & D are correct. 16. Which of the following characteristics is/are found in the pollen of animal pollinated plants? A. The pollen is large, sticky and barbed. B. The pollen is small, inconspicuous and barbed. C. The pollen is smooth and inconspicuous. D. The polien is often sticky and barbed. E. All except for “C” can be true. 17. An advantage of using animals (insects) as pollinators is that . competition between plants is reduced. pollen is conserved. inbreeding is eiiminated. out-crossing is enhanced. A B C D E Ail of the above except for Diversity of Organisms (FINAL EXAM) August 20th, 2008 Biology 153 4/9 18. Which of the following statements is false? A. Green algae form a clade. B. Land plants form a clade. C. Green algae + land plants form a clade. D. None of the above; all of these statements are true. 19. Fungi exhibit the following: A. Fungi may exist as unicellular or multicellular organisms that possess a cell wall composed of chitin and a filamentous structure known as hyphae. B. Fungi may exist as unicellular or multicellular organisms that possess a cell wall composed of lignin and a filamentous structure known as hyphae. C. Fungi may exist as unicellular or multicellular organisms that possess a cell wall composed of collagen and a filamentous structure known as hyphae. D. Fungi may exist as unicellular or multicellular organisms that possess a cell membrane composed of chitin and a filamentous structure known as hyphae. 20. Over 90% of plants live in a symbiotic relationship with fungi. This relationship is referred to as... A. mutualistic. B. beneficial. C. a coevolutionary adaptation. D. symbiotic mycorrhizae. E. All of the above. 21. Opisthokonts are A. a monophyletic assemblage that includes all fungi. B. a monophyletic assemblage that includes all fungi and green plants. C. a monophyletic assemblage that includes all fungi and animals. D. a paraphyletic assemblage that includes all fungi and animals. E. None of the above. 22. Sporulation in Fungi is triggered by A. changes in CO; concentration. B. changes in moisture levels. C. nutrient levels. D. . .. seasonal changes. E. All of the above. 23. In fungi, plasmogamy is A. the mixing of cytoplasm from two different mycelia. B. the mixing and fusing of cytoplasm between the mycelia of two or more individuals. C. the mixing and fusing of cytoplasm and DNA between the mycelia of two or more individuals. D. the mixing and fusing of cytoplasm between the mycelia of two individuals. E. Both B & C are correct. Diversity of Organisms (FINAL EXAM) August 20th, 2008 Biology 153 5/9 24. In Fungi a “Dikaryon” is A. a cell containing the unfused nuclei of two separate, haploid individuals. B. a cell containing the fu5ed nuclei of two separate, haploid individuals. C. a cell containing the fused nuclei of two separate, diploid individuals. D. a cell containing the unfused nuclei of two separate, diploid individuals. E. Both A St D are correct. 25. Black Sigatoka (Mycosphaerella fijiensisMycosphaerel/a fb'iensis) is A. a fungus that grows in a symbiotic relationship with bananas. B. a fungus that grows as a parasite on the leaves banana plants. C. going to be responsible for the potential extinction of the banana cultivar that we are familiar with. D. has already caused the disappearance of one banana cultivar and will likely cause the elimination of another in the next few years. E. All except for “A” are correct. 26. What is the benefit to human-kind for recognizing that there exists a relationship between microsporidians and fungi? A. Recognizing this relationship will potentially yield new treatments in fighting AIDS. B. Recognizing this relationship will potentially yield new treatments in fighting “Black Sigatoka". C. Recognizing this relationship enhances our knowledge of plant systematics. D. This discovery will encourage continued research in the area of fungus phylogenetics. 27. The fossil record of animals can be accurately documented as far back as A. the Cambrian period nearly 600 mya. B. the Paleozoic period nearly 500 mya. C. the Cambrian period nearly 750 mya. D. the Pre—Cambrian period nearly 800 mya. E. None of the above. 28. Sponges are the sister-taxon to A. all animals. B. plants. C. all lower animals. D. to cnidarians. E. None of the above. 29. The significance of the Burgess Shale and the Ediacaran fauna is A. it contains the earliest animals fossils found in Canada. B. it contains the earliest animals fossils found in the world. C. it contains the earliest chordate fossils found in Canada. D. it contains the earliest arthropod fossils found in Canada. E. All of the above. Diversity of Organisms (FINAL EXAM) August 20th, 2008 Biology 153 6/9 30. Sponges possess specialized cell types called A. choanoiiagellates. B. choanocytes. C. nematocysts. D. spongeocytes. E. None of the above. 31. Cnidarians represent the first group of animals to possess. A. A complete gut. B. A triplobiastic tissue layer. C. Specialized stinging cells. D. A true mouth and anus. E. All of the above. 32. The coelom is a structure that A. permits organs to be housed safely within the animal’s body. B. is formed by the pinching off or hollowing out of mesodermal tissue. C. is present only in animals that are tripioblastic. D. . E. .. appears as the blastula continues to develop and enters the gastrula stage. All of the above are correct. 33. Members of the platyhelminthes are acoeiomic. This condition A. is the case of an evolutionary reversal. B. is a viable synapomorphy of the group. C. was once thought to be the rentention of a primitive trait. D. Both A 8: C are correct. E. All of the above are correct. 34. The difference between a protostome and a deuterostome is A. the absence of gastrulation in the former. B. the presence of a mouth in the deuterostome but not the protostome. C. that the mouth forms from the blastopore in the former but not the latter. D. . E. .. that dueterostomes are monophyletic but protostomes are poiyphyletic. Both C & D are correct. 35. Is aii bone in vertebrates formed from mesodermal tissue? A. Yes without exception. B. Yes but with one exception. C. Yes, but some invertebrates form bone from ectodermai tissue as well. D. Yes, except that in some groups additional bone can also be formed from ectoderm. E. Both B & D are correct. 36. Arthropods are the most diverse group of animals and within this group the A. ecdysozoans are the most abundant. B. ecdysozaons, which grow by melting, are the most diverse. C. lophotrochozoans are the most diverse and most abundant. D. . E. .. ecdysozoans, which grow by segmentation, are the most diverse. Both A & B are correct. Diversity of Organisms (FINAL EXAM) August 20th, 2008 Biology 153 7/9 37. Complete metamorphosis is known as A. holometabolous. B. hemimetabolous. C. homometabolous. D. ...heterornetabolous. E. Both A & C are correct. 38. Craniates include all chordates except... A. hagfish, lampreys, and amphioxus. B. urochordates, cephalochordates, hagfish, & lampreys. C. tunicates, amphioxus, and angnathans. D. . E. . .. all non-vertebrate chordates. .. Ail except “A” are correct. 39. The “Euryapsida” is A. monophyletic group that includes plesiosaurs and ichthyosaurs. B. a paraphyletic group that includes all aquatic diapsids. C. an unnatural assemblage best described as a grade. D. Both B & C are correct. E. None of the above. 40. Dlphodonty is A. the ability to continuously replace your teeth. B. the ability to have teeth that continuously grow. C. being born with fully functional adult teeth. D. the ability to grow two sets of teeth. E. Both A and D are correct. 41. True/False (Please note that the next 10 questions are in a True or False format; Total marks 10) Indicate whether the sentence or statement 119 true or false. If falseE change the identified word or ghrase to make the sentence or statement true. i. Monocots are a type of gymnopsperm. _ ii. Ascomycetes are a type of primitive plant. iii. The ascus is the structure where m from the fungi belonging to the Ascornycota are formed. iv. Turtles and tortoises are currently believed to be members of the dis Aanagsida. v. The exchange of 02 and C02 in the amniote lung is by means of a physiological mechanism known as a counter—current exchange system. vi. The 4-chambered heart in crocodiles, birds, and mammals has evolved convergentiy. Diversity of Organisms (FINAL EXAM) Biology 153 vii. The term “Carrier Constraint" refers to a difficulty associated with breathing in animals that fly viii. A true coeiom is completely bordered by endoderm. ix. Post-partum mating is a condition that is common in monotremes. x. Reptilla represents a polyghyietic group because birds are currently excluded. Short answer questions. (Total marks available = 10) 42. Draw and fully label the Type III life cycle common to plants (4 marks). August 20‘“, 2008 8/9 Diversity of Organisms (FINAL EXAM) August 20th, 2008 Biology 153 9/9 43. (a) Identify and briefly describe the nature of the characters that diagnose aii members of the phylum Chordata (4 marks). (b) Briefly describe the difference between positive breathing and negative breathing (2 marks). ...
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This note was uploaded on 12/11/2011 for the course BIO 153 taught by Professor Dr.arts during the Spring '11 term at University of Toronto- Toronto.

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August 2008 - NAME (PRINT): Lest/Surname FirsUGiven Name...

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