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ISU BIOL 211 - Exam review

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Bio 211:Unit 3 Exam ReviewSupplemental InstructionIowa State UniversityLeader: AubrieCourse: Biology 211 (2)Instructor: HofmockelDate: 10/3/101. Imagine that you are a biologist who has discovered a previously unknown creature living in the ocean. It seems to display protostome development, it has ciliated tufts, and it goes through metamorphosis. How would you classify this animal?a. ascomyceteb. lophotrochozoanc. cnidariand. ecdysozoan2. Which of the following is characteristic of the "body" of a fungus?a. It is usually shaped in the form of a ring.b. It contains gamete producing organs.c. It is diploid.d. It consists of a large number of thin filaments with a huge surface area.e. It is usually a rather solid fleshy mass.3. Which structure is derived from the ovary?a. Seedb. Heterosporec. Megasporangium d. Fruit4. What plant group exhibits the evolutionary transition from motile sperm to nonmotile sperm?a. Mossesb. Fernsc. Gymnospermsd. Angiospermse. Monocots5. Which of the following statements correctly distinguishes asexual from sexual fungal spores?a. Sexual spores are haploid and asexual spores are diploid.b. Sexual spores are the product of meiosis and are dikaryotic, and asexual spores are the product of mitosis and are diploid.c. Sexual spores are the product of meiosis and are haploid, and asexual spores are the product of mitosis and are also haploid.d. Sexual spores are diploid and asexual spores are haploid.e. Sexual spores are the product of meiosis and are haploid, and asexual spores are the product of mitosis and are dikaryotic.6. Fungi are classified on the basis ofa. their source of food.b. whether they form molds.c. their sexual stage.d. their commercial use.e. the number of nuclei that are found in a dikaryon.Supplemental Instruction1060 Hixson-Lied Student Success Center v 294-6624 v www.si.iastate.edu7. In coelomates, the coelom arises froma. the endoderm onlyb. the ectoderm onlyc. the mesoderm onlyd. the endoderm and mesoderm 8. Which of the following plant phyla have species that are homosporous?a. Pterophytesb. Gymnospermsc. Angiospermsd. Bryophytese. B and Cf. A and D9. Gymnosperms have more extant species diversity than do Angiosperms.a. Trueb. False10. What are Mycorrhizae?a. Symbiotic associations between fungi and plant roots.b. Symbiotic associations between fungi and algae.c. Parasitic protozoans.d. Seaweed Protista.e. Bryophytes11. One trend that occurred during the evolution in the kingdom Plantae was:a. Production of fruit then seedsb. Reduced dependence on pollinatorsc. Reduction in size of gametophyte staged. Reduction in size of sporophyte stagee. Elimination of meiosis12. Which flower part includes the flower ovary?a. stigmab. sepalc. receptacled. anther e. carpel13. Double fertilization occursa. In pterophyte seed productionb. In gymnosperms when 1 of 2 sperm nuclei fertilizes the polar nucleic. In angiosperms when 1 of 2 sperm nuclei fertilizes the polar nucleid. In all homosporous plantse. B and C14. Pollination and fertilization are different terms, in thata. Pollination occurs when the egg and sperm cells joinb. Fertilization occurs when pollen lands on a structure that contains ovulesc. Both a and bd. None of the above15. Which of these statements is true about the gametophyte tissue that surrounds the pine embryo?a. It functions as a haploid food reserve.b. It functions as a diploid food reserve.c. It functions as a triploid food reserve.d. It develops from the fusion of a microspore and a megaspore.e. It is the remnant of the pollen tube.16. In _____ cones, megasporangia produce megaspore mother cells that are _____, which undergo _____ to produce haploid megaspores.a. Ovulate, diploid, meiosisb. Ovulate, haploid, mitosisc. Pollen, dipoid, meiosisd. Pollen, haploid, mitosis17. The Hox gene is present in alla. deuterostomesb. fungic. plantsd. animals18. Bilateral symmetry in the animal kingdom is best correlated with:a. an ability to sense equally in all directionsb. an ability to capture food from a sessile positionc. symbiotic relationshipsd. ventral and dorsal differentiation e. motility and active predation and escape19. Protostomous animals are those in which the _____.a. blastopore forms the mouth b. ectoderm forms the muscles c. digestive tract is incomplete d. blastophore forms the anus20. What is the order of early embryonic development? a. zygote, blastula, gastrulation, gastrula, blastopore, cleavageb. blastula,blastopore, gastrulation, gastrula, cleavage, zygotec. zygote, cleavage, blastula, blastopore, gastrulation, gastrulad. cleavage, zygote, gastrula, gastrualtion, blastula,


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ISU BIOL 211 - Exam review

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