Biol 1720 Exam IV SS'03

Biol 1720 Exam IV SS'03 - Biology 1720 Exam IV, Summer 2003...

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Biology 1720 Name:_____________________________ Exam IV, Summer 2003 Remember to read all of the possible answers for each question before choosing the BEST ANSWER. 1. The best ESTIMATE for the number of different kinds of bacteria that exist on the earth is: a. 500 b. 1,000. c. 5,000. d. 50,000. e. 500,000 + . 2. Diatoms are most specifically examples of: a. red algae. b. brown algae. c. green algae. d. protozoans. e. fungi. 3. An example of a nonvascular plant would be: a. a liverwort. b. a simple grass. c. a fern. d. a gymnosperm. e. a dicot. 4. Which of the following statements about bacteria/prokaryotes is false? a. Multicellularity is rare in prokaryotes. b. Chromosomes in prokaryotes are generally circular DNA molecules. c. Internal compartmentalization (membrane bound organelles) are not found in prokaryotes. d. Mitosis is the mechanism of cell division in prokaryotes but Meiosis does not occur in these organisms. e. All of the above statements are true of prokaryotes. 5. The region in a vegetative bacterial cell where the DNA is located is called the: a. nucleoid. b. nucleus. c. endospore. d. Gram structure. e. pillus.
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6. Monocots and dicots are examples of: a. fungi. b. gymnosperms. c. angiosperms. d. sporophytes. e. gametophytes. 7. Archaebacteria differ from eubacteria in a number of ways. Which of the following statements is NOT true. a. The archaebacterial cell was has a unique composition. b. The archaebacterial plasma membrane lacks phospholipids. c. Archaebacterial genes sometimes contain introns. d. The archaebacterial gene expression process more closely resembles that of eukaryotes than that of eubacteria. e. All of the above statements are true. 8. An increase in the girth of a plant is mostly the result of: a. cell elongation. b. cell division in the apical meristem. c. cell division by the lateral meristem. d. Ground tissue cell expansion. e. Cell division by phloem tissue. 9. The earliest eukaryotes were probably: a. photosynthetic algae. b. chemoautotrophs. c. protozoa. d. fungi. e. endosymbionts. 10. Which of the following approaches to energy production/nutrition is/are NOT used by protozoa? a.
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This note was uploaded on 04/15/2011 for the course BIOL 1720 taught by Professor Jagadeeswaran during the Spring '08 term at North Texas.

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Biol 1720 Exam IV SS'03 - Biology 1720 Exam IV, Summer 2003...

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