Exam 3 - EBIO 1220 General Biology Spring 2007 Dr Sharon...

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EBIO 1220: General Biology, Spring 2007 Dr. Sharon Collinge and Dr. Pieter Johnson EXAMINATION #3: April 9, 2007 PLEASE READ EACH QUESTION CAREFULLY, AND CHOOSE THE BEST ANSWER! 1. The bryophytes possess the following trait(s): a. Dominant sporophyte phase b. Xylem and phloem cells c. Presence of a rhizoid d. a and b, but not c e. a, b, and c 2. The Chytridiomycota are thought to have diverged earliest in the evolution of the __________ due to the presence of ________________. a. Charophyceans, sporopollenin b. Bryophytes, rhizoid c. Bryophytes, archegonia d. Fungi, flagellated zoospores e. Fungi, zygosporangium 3. You and your friend are having dinner in a Boulder restaurant, and when her meal arrives, you notice that she has ordered a dish that contains truffles, pine nuts and peas. You say, “Ah! Tonight you’re sampling the _____________ , the ___________and the _______________.” a. Ascomycetes, Gymnosperms, Angiosperms b. Basidiomycetes, Gymnosperms, Angiosperms c. Zygomycetes, Gymnosperms, Angiosperms d. Glomeromycetes, Pterophytes, Angiosperms e. Ascomycetes, Pterophytes, Angiosperms 4. The Zygomycota display the following characteristic(s): a. The presence of a zygosporangium b. Asexual reproduction c. Coenocytic hyphae d. a and b, but not c e. a, b, and c 5. Sexual reproduction in Fungi is distinct from asexual reproduction in that sexual reproduction involves: a. the production of spores b. the presence of mycelia c. karyogamy d. only a haploid phase e. only a diploid phase
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6. Lichens are symbiotic associations of a. flowering plants and fungi b. flowering plants and cyanobacteria c. fungi and charophyceans d. fungi and algae or cyanobacteria e. fungi and zooxanthellae 7. As you drive though Florida on your summer vacation, you see trees filled with a gray-green hanging plant. Your botanist traveling mate says, “Hey, there’s some Spanish moss,” which as you know is a (an) a. Charophycean b. Basidiomycete c. Gymnosperm d. Angiosperm e. Bryophyte 8. According to current phylogenetic evidence, the closest relatives to land plants are the a. Fungi b. Animalia c. Charophyceans d. Embryophytes e. Chytridiomycota 9. As you’re walking through Olympic National Park on a backpacking trip, you stumble across a small, green plant growing on top of a log. You impress your backpacking buddies by correctly identifying the plant as a fern and NOT a bryophyte because it has the following characteristic(s): a. rhizoid b. dominant gametophyte c. archegonium d. independent gametophyte e. heterospory 10. The 10 phyla of land plants can be divided into three distinct groups: a. Nonvascular plants, seed plants, flowering plants b. Bryophytes, Gymnosperms, Angiosperms c. Lycophytes, Gymnosperms, Angiosperms d. Mosses, ferns, flowering plants e. Nonvascular plants, seedless vascular plants, seed plants There is no correct answer to this question, as written, so this question was omitted from grading. If “b” had been “dominant sporophyte,” (as I intended), that would have been the correct answer!
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11. Of the land plants, the _______________________ are the most numerous, with
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This note was uploaded on 06/11/2008 for the course EBIO 1220 taught by Professor Demig-addams during the Spring '07 term at Colorado.

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Exam 3 - EBIO 1220 General Biology Spring 2007 Dr Sharon...

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