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1002 spring05 test1

1002 spring05 test1 - i/Name av 35 F3 Class...

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Unformatted text preview: i/Name: av; 35' F3 Class: Q-‘O/ /O&Zé Date: 2 ” ”'05, Form B February 15, 2005 BIOL 1002 - Section 6 Dr. Christopher Gregg Instructions: 1. Read each question and all choices carefully before answaring 2. Make sure your name (Last, First) and SS# are bubbled in on the Scantron 3. When finished, turn in your Scantron sheet and keep your exam booklet Exam #1 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. In prokaryotes. DNA is found _. a. in organelles alone a. in the cytoplasm attached to the coil wall as a single circular thread 1:. in both the nucleus and organelles d. in the nucleus alone 2. A rod-shaped bacterium is called a _. at bacillus c. spirillum b. prion d. coccus 3. Gram-positive bacteria react to _, whereas Gram-negative bacteria do not. a. presence of oxygen b. presence of light c. absence of carbohydrates :1. presence of a chemical stain 4. A bacterium uses 002 and H23 (instead of 602, H20, and light) as an energy and carbon source to make new carbohydrates. How would this bacterium be classified? a. Chemoheterotroph c. Photoautotroph b. Photoheterotroph _di Chemoautotroph 5. The process by which one bacterial cell transfers DNA to another is _. a. lysis c. gametic fusion 13. fission __d. conjugation 6. Prokaryotes reproduce by a process called _. a. mitosis of fission b. meiosis d. courtship and marriage 7. The bacterium E. coli_. a. is a normal inhabitant of the human intestinal tract 1:. produces vitamin K V c produces conditions that prevent invasion by other bacteria d. enhances digestion, especially of fats LE. all of these 8. Which of the following is not a type of archaebacteria? a. a halophile c. .. an extreme thermophile b. a methanogen 51}? a cyanobacterium Name: 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. Form B A noncellular infectious agent that lacks most structures common in other organisms and must always grow and reproduce as an intracellular parasite is a _. a. Protistan (c: Virus b. Prokaryote d. Fungus The lysogenic pathway of viral multiplication is characterized by _. a. incorporation of viral DNA into host DNA '6, rapid destruction of the bacterial host c. only infectious proteins d. extensive transcription of viral DNA Both Trypanosoma and Giardia are parasitic _~ protists similar to Euglena. a. alveolate (c. cilliate b. amoeboid a) flagellated Which of the following is not classified as a protistan? a. protozoans c. dinoflagellates b; bacteria at. chrysophytes Which of the following protistans has a simple sort of sexual reproduction called conjugation? a. flagellates ,c', ciliates b. sporozoans d. amoebas Which of the following organisms does not move by pseudopods? a. amoebas c. heliozoans ’6? diatoms d. foraminiferans The failure of the potato crop and the subsequent Irish famine was due mainly to a fungus-like protist belonging to which group? a. dinoflagellates c. rhizopoda jg; oomycotes (water molds) d. club fungi "Red tides" and extensive fish kilis are caused by population "blooms" of _. a. Euglena c. Plasmodium b. diatoms (at; dinofiagellates If you eat sushi wrapped in seaweed, you are eating _. a. fungi c. cyanohacteria b. chlorophyta d. rhodophyta The largest algae. which often form large seaweeds, would be included in which of the following groups? a. red algae 'c. brown algae b. green algae d. blue-green aigae Because of similarities in pigmentation, cellulose cell walls, and starch storage, the _ algae are thought to be ancestral to land plants. a. brown c. red 1). green d. cyanobacieria Name: 20. Form B In a general plant life cycle, the gametophyte produces __ by _. (hint: think about whether a gametophyte is haploid or dipioid) a. garnetophytes; mitosis b. gametes; mitosis c. spores; meiosis d. spores; mitosis _ 21. In bryophytes and seedless vascular plants, spores are produced by _. a. sporophytes c. gametophytes b. other spores d. gametes __ 22. You examine a 1 inch tall plant you collect in the woods. This plant was part of a several square feet mass of similar small plants. It is very flexible and does not easily stand upright by itself. Upon examining the tiny fiat leaf-like structures of this plant you see no vascular tissue. There is no evidence of seeds, but at the end of a little stalk on the end of the plant there is some sort of spore—bearing structure. To which of these groups does this plant belong? a. angiospem‘r c. fern b'. bryophyte d. gymnosperm _ 23. With respect to plant reproduction, there has been an evolutionary trend toward _. a. sporophyte dominance c. increased pollen production b. larger fruits d. smaller flowers _ 24. Which evolutionary plant innovation eliminated the need for sperm to swim through water in order to fertilize an egg, resuiting in plants being truly adapted for reproduction on dry land? a. fruit c. pollen b. roots d. independent gametophyte _ 25. If you were hiking and wanted to show off your understanding of the differences between gymnosperms and angiosperms, what characteristics could you see with you naked eye that wouid help you distinguish the two types of plants? (mid-exam break: the answer is “a”) la? flowers or cones b. presence or lack of vascular tissue c. presence or lack of seeds d. size of the male gametophyte __ 26. In horsetails, chophytes, and ferns (seedless vascular plants). _ a. the dominant plant body is a gametophyte b. the dominant stage is haploid r3. spores give rise to gametophytes d. the sporophyte bears sperm» and egg—producing structures _ 27. Ferns _. have an alternation of sporophyte and gametophyte generations lack vascular tissue lack eggs and sperm make seeds 9-9.6? Name: Form B ____ 28. Gymnosperms _. a. lack eggs and sperm 6. lack flowers b. lack seeds at. lack leaves _ 29. Which of the following are Gymnosperms? a. Cycads, conifers, and ferns b. Cycads, ginkgoes, and ferns c. Ginkgoes, conifers, and horsetails d. Cycads, ginkgoes, and conifers “ 30. A fruit is _. a. a mature ovary from a gymnosperm flower b. a pollen-bearing structure c. a seed d; a mature ovary from an angiosperm flower _ 31. The body of a fungus is generally composed of _, which is a network of hyphae. a. vascular tissue c. cellulose b, mycelia d. mold 32. Fungi usually obtain food by _. a. absorbing it and then digesting it within fungal cells b. photosynthesis c. chemosynthesis cl. digesting it externally and then absorbing it 33. 'Some fungi, as well as other organisms, are saprobes. They feed on a. lichens c. dead organisms b. living organisms d. blood 34. Mycorrhizae are _. a. symbiotic association betwaen fungi and plant stems b. symbiotic association between animals and fungi c. symbiotic association between plant roots and a fungus d. symbiotic association between algae and fungi 35. Lichens are _. a. fungi b. algae c. symbiotic association of algae and fungi d. archaea 36. A more or less circular ring of mushrooms simultaneously appeared in your yard, apparently overnight. The circle is several yards in diameter. The most likely explanation for this circle of mushrooms is _. - a. the mushrooms in the center of the circle must have been eaten by animals ‘ b. one mushroom in the circle reproduced sexually to make all the other mushrooms c. the mushrooms are part of the same fungus, with underground mycelia radiating out from the location of a germinating spore d. fairies danced in a circle and where their feet touched a mushroom grew Name: 37. 38. 39. 40. 41. 42. Matching I” L 43 l/ 44 U 45 ll 46 Form B Which of the following is the most advanced type of digestive system? a. Digestion in a gut with a single opening b. Fusion of a food vacuole with a lysosome c'. . Digestion within a tube with openings at each end to the outside of the body d. Digestion completely within individual cells; intracellular A body cavity, found in most bilateral animals, between the gut and epidermis and lined with peritoneum is called the _. a. mesoderm c. coelom b. water—vascular system d. mantle Which of the following is not characteristic of animals? a. celiulose cell wall c. multicellular b. sexual reproduction d. eukaryotic The simplest multicellular animals which have only a few different cell types and no tissues are _. a. jeltyfish c. flatworms b. anemones d. sponges Ajointed exoskeleton is a characteristic of ___. a. Arthropods c. Platyhelminthes b. Annelids d. Molluscs Roundworms (Nematodes) have a pseudocoelom, which is a body cavity that is only partially surrounded with mesoderm. a. True b. False Fungi: For questions 43 - 46, match each of the following phyla with the appropriate discription or representative. Each answer will be used only once. a. Basidiomycota b. Ascomycota c. imperfect fungi d. Zygomycota . A group of puzzling kinds of fungi whose members are lumped together but do not constitute a formal taxonomic group is the _. . The group that includes Rhizopus stolonifer, the notorious black bread mold, is the _. . The group whose spore—producing structures (asci) are shaped like flasks, globes, and shallow cups is the _. . The group that includes the commercial mushroom. Agarfcus brunnescens, as well as the death cap mushroom, Amam'ta phallor'a'es, is the _. Name: 47. 48. 49. 50. Animals: For questions 47 - 50 match the followin represetatives. Answers can be used only once. a. Annelida b. Cnidaria c. Echinodermata d. Rolifera Sand dollars and starfishes Small animals with a crown of rotating cilia Earthwom'is, polychaetes, and leaches Corals, sea anemones. and Hydra g phyla with its corresponding Form B ...
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