Bio 211:Exam 2 ReviewSupplemental InstructionIowa State UniversityLeader: AubrieCourse: Biology 211 (2)Instructor: HofmockelDate: 9/19/20101. What is true about protists?a. They are prokaryotesb. They are eukaryotesc. They can be vectors for dieased. They have a nucleoid regione. B and Cf. C and Ag. D and B2. ________ is engulfed by a larger organism and forms ______. This is known as _________. a. Heterotrophic eukaryote; green algae; secondary endosymbiosisb. Heterotrophic eukaryote; red algae; a dinoflagellatec. Green algae; euglenid; secondary endosymbiosisd. Red algae; an endosymbiont; an apicomplexan3. Trypanosoma, the disease known as _______ _, is associated with the _______ protist group.a. Pfisteria; dinoflagellatesb. Sleeping sickness; kinetoplastidsc. Malaria; mosquitosd. Chlamydomonas; Oomycetes4. How do dinoflagellate blooms affect ecosystems?a. They use up all the nutrients in the water, killing everthing elseb. Their silicate shells accumulate and are used in agriculture against unwanted insect pestsc. They form the basis of coral reef ecosystemsd. They emit a toxin that gives fish large open sores and hurts other marine organisms 5. Golden Algae and Brown algae:a. Are in two different cladesb. Are both in clade alveolatac. Both have hairy and smooth flagellad. Do not photosynthesize 6. Membrane-bound sacs are characteristic of a. Ciliatesb. Diatomsc. Charophytesd. Both A and BSupplemental Instruction1060 Hixson-Lied Student Success Center v 294-6624 v www.si.iastate.edu7. Which of these groups is closest related to plantae?a. Embryophytesb. Charophytesc. Chlorophytesd. Red algae8. Charophytes are related to plants in all of the following ways EXCEPT:a. They have an apical meristem b. Formation of Phragmoplastc. Peroxisome enzymesd. Rose-shaped complexes that synthesize cellulose9. The sporophyte goes through _______ to produce _________a. Meiosis; diploid sporesb. Mitosis; haploid sporesc. Meiosis; haploid sporesd. Mitosis; diploid spores10. What generation(s) of the hepatophytes can photosynthesize? a. The gametophyte onlyb. The sporophyte only c. The gametophyte and the sporophyted. All haploid cells can photosynthesize in hepatophytes11. Which of the following characteristics do mosses, liverworts, and hornworts share? a. reproduction in gametangia; embryosb. vascular tissues, true leaves, and a waxy cuticlec. seeds12. Fern gametophytes are _____. a. photosynthetic diploid organismsb. produced from haploid gametesc. part of the asexual life cycled. free-living, multicellular organismse. found on the underside of fern leaves (fronds)13. Which of the following is not common to all phyla of vascular plants? a. The development of seedsb. alternation of generationsc. dominance of the diploid (sporophyte) generation (ferns co-dominant)d. xylem and phloeme. sporophyte that is independent of the gametophyte14. Peat moss is ecologically important becausea. It can be used in agriculture to prevent floodingb. It can store water and nutrients so different animals can feed on itc. It captures carbon dioxide and helps fight global warmingd. It has large potential to be a biofuel and is predicted to outcompete ethanol15. Walking in a forest I find a plant whose dominant stage is the gametophyte, it must be a(n)a. Angiospermb. Gymnospermc. Pterophyted. Bryophyte 16. Which organisms are capable of producing a "red tide"? a. dinoflagellatesb. diatomsc. amoebozoansd. euglenidse. red algae17. Which protists have long, hairy flagella?a. alveolateb. euglenozoansc. amoebozoansd. stramenopilese. radiolarians18. Which of the following is diploid? a. the archegonia of a mossb. a cell in the gametangia of a mossc. a cell that is part of the stalk of a moss sporophyted. a spore produced by a sporophyte19. In vascular plants,a. xylem conducts nutrients (sugars)b. phloem conducts nutrients (sugars)c. xylem is made of cellulosed. phloem and xylem both conduct nutrients (sugars)20. Gemmae enable _________ in hepatophytes: a. photosynthesisb. mitosisc. asexual reproductiond. water
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