Practice Exam 1

Practice exam 1

Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.

____ 1. The ostrich and the emu look very similar and live in similar habitats, however they are not very closely related. This is an example of a. divergent evolution. b. convergent evolution. c. exaptation. d. adaptive radiation. e. sympatric speciation. ____ 2. Some molecular data place the giant panda in the bear family (Ursidae) but place the lesser panda in the rac- coon family (Procyonidae). The morphological similarities of these two species must therefore be due to a. inheritance of acquired characteristics. b. sexual selection. c. inheritance of shared derived characters. d. convergent evolution. e. possession of shared primitive characters. ____ 3. The correct sequence from the most to the least comprehensive of the taxonomic levels listed here is a. family, phylum, class, kingdom, order, species, and genus. b. kingdom, phylum, class, order, family, genus, and species. c. kingdom, phylum, order, class, family, genus, and species. d. phylum, kingdom, order, class, species, family, and genus. e. phylum, family, class, order, kingdom, genus, and species. ____ 4. Panthera is a taxon at which level? a. order b. family c. phylum d. genus e. class

Use the terms below to answer the following questions. Each term may be used once, more than once, or not at all.

A. nonadaptive B. analogous C. homologous D. polyphyletic E. monophyletic

____ 5. a taxon, all of whose members have the same common ancestor a. A b. B c. C d. D e. E ____ 6. bat wing and butterfly wing a. A b. B c. C d. D e. E

The following questions refer to the list below, which uses the five-kingdom classification system. 1. Plantae 2. Fungi 3. Animalia 4. Protista 5. Monera

____ 7. Members of which kingdom have cell walls and are all heterotrophic? a. 1 b. 2 c. 3 d. 4 e. 5 ____ 8. Which kingdoms include free-living photosynthetic organisms? a. 1 and 5 b. 2 and 4 c. 1, 2, and 5 d. 1, 4, and 5 e. 1, 2, 3, 4, and 5

Match the scientists below with their accomplishments. A. Carl Woese B. Cech and Altman C. Oparin and Haldane D. Miller and Urey E. Robert Whittaker

____ 9. proposed the five-kingdom classification system a. A b. B c. C d. D e. E ____ 10. A biologist discovers a new unicellullar organism that possesses more than two flagella and two small, but equal-sized, nuclei. The organism has reduced mitochondria and no chloroplasts. How would you classify this organism? a. apicomplexan b. diplomonad c. ciliate d. prokaryote e. Chlamydomonas ____ 11. Which two genera have members that can evade the human immune system by frequently changing their sur- face proteins? 1. Plasmodium 2. Trichomonas 3. Paramecium 4. Trypanosoma 5. Entamoeba

a. 1 and 2 b. 1 and 4 c. 2 and 3 d. 2 and 4 e. 4 and 5 ____ 12. Which of the following is mismatched? a. apicomplexa-internal parasites b. golden algae;-planktonic producers c. euglenozoa-unicellular flagellates d. ciliates-red tide organisms e. entamoeba-ingestive heterotrophs ____ 13. Which of the following statements about dinoflagellates is false? a. They possess two flagella. b. Some cause red tides. c. their walls are composed of cellulose plates. d. Many types contain chlorophyll. e. Their fossil remains form limestone deposits. ____ 14. Which of the following is correctly described as a primary producer? a. oomycete b. kinetoplastid c. apicomplexan d. diatom e. radiolarian ____ 15. Which taxonomic group containing eukaryotic organisms is thought to be directly ancestral to the plant kingdom? a. golden algae b. radiolarians c. foraminiferans d. apicomplexans e. green algae

Choose the organism from the list below that best fits each of the following descriptions. A. euglenozoans B. Chlamydomonas C. dinoflagellates D. stramenopiles E. diplomonads

____ 16. possess more than two identical, functional flagella a. A b. B c. C d. D e. E ____ 17. have one hairy and one smooth flagellum a. A b. B c. C d. D e. E ____ 18. Which of the following do all fungi have in common? a. meiosis in basidia b. coenocytic hyphae c. sexual life cycle d. absorption of nutrients e. symbioses with algae ____ 19. What is the primary role of a mushroom's underground mycelium? a. absorbing nutrients b. anchoring c. sexual reproduction d. asexual reproduction e. protection ____ 20. Which of the following statements is true of deuteromycetes? a. They are the second of five fungal phyla to have evolved. b. They represent the phylum in which all the fungal components of lichens are classified. c. They are the group of fungi that have, at present, no known sexual stage. d. They are the group that includes molds, yeasts, and lichens. e. They include the imperfect fungi that lack hyphae.

Match the phyla below with the descriptions that follow. Each term may be used once, more than once, or not at all.

A. Zygomycota B. Ascomycota C. Basidiomycota D. Glomeromycota E. Chytridiomycota

____ 21. Members of this phylum produce two kinds of haploid spores, one kind being asexually produced conidia. a. A b. B c. C d. D e. E ____ 22. Members of this phylum form arbuscular mycorrhizae. a. A b. B c. C d. D e. E ____ 23. You have been given the assignment of locating living members of the phylum Glomeromycota. Where is the best place to look for these fungi? a. between the toes of a person with "athlete's foot" b. in stagnant freshwater ponds c. the roots of vascular plants d. growing on rocks and tree bark e. the kidneys of cattle ____ 24. The gray-black filamentous mycelium growing on bread is most likely what kind of organism? a. chytrid b. ascomycete c. basidiomycete d. deuteromycete e. zygomycete ____ 25. Which of these fungal structures is associated with asexual reproduction? a. zygospore b. basidium c. conidium d. ascus e. antheridium ____ 26. Mushrooms with gills, typically available in supermarkets, have meiotically produced spores located in or on ____ and belong to the phylum ____. a. asci; Basidiomycota b. hyphae; Zygomycota c. basidia; Basidiomycota d. asci; Ascomycota e. hyphae; Ascomycota ____ 27. The symbiotic associations involving roots and soil fungi are considered a. parasitic. b. mutualistic. c. commensal. d. harmful to the plant partner. e. the beginning stages of the formation of lichens. ____ 28. Plant spores give rise directly to a. sporophytes. b. gametes. c. gametophytes. d. sporophylls. e. seeds. ____ 29. Which of the following is a true statement about plant reproduction? a. "Embryophytes" are small because they are in an early developmental stage. b. Both male and female bryophytes produce gametangia. c. Gametangia protect gametes from excess water. d. Eggs and sperm of bryophytes swim toward one another. e. Bryophytes are limited to asexual reproduction. ____ 30. Beginning with the germination of a moss spore, what is the sequence of structures that develop after germination? 1. embryo 2. gametes 3. sporophyte 4. protonema 5. gametophore

a. 4, 1, 3, 5, 2 b. 4, 3, 5, 2, 1 c. 4, 5, 2, 1, 3 d. 3, 4, 5, 2, 1 e. 3, 1, 4, 5, 2 ____ 31. The following characteristics all helped seedless plants become better-adapted to land except a. a dominant gametophyte. b. vascular tissue. c. a waxy cuticle. d. stomata. e. a branched sporophyte. ____ 32. A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, the following characteristics are noted: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations, and no seeds. This plant is probably most closely related to a. mosses. b. Chara. c. ferns. d. liverworts. e. flowering plants. 1 Answer Section

MULTIPLE CHOICE

1. ANS: B TOP: Concept 25.1 2. ANS: D TOP: Concept 25.1 3. ANS: B TOP: Concept 25.2 4. ANS: D TOP: Concept 25.2 5. ANS: E TOP: Concept 25.3 6. ANS: B TOP: Concept 25.3 7. ANS: B TOP: Concept 26.6 8. ANS: D TOP: Concept 26.6 9. ANS: E TOP: Concept 26.6 10. ANS: B TOP: Concept 28.2 11. ANS: B TOP: Concept 28.3, Concept 28.4 12. ANS: D TOP: Concept 28.4 13. ANS: E TOP: Concept 28.4 14. ANS: D TOP: Concept 28.5 15. ANS: E TOP: Concept 28.8 16. ANS: E TOP: Concept 28.2 17. ANS: D TOP: Concept 28.5 18. ANS: D TOP: Concept 31.1 19. ANS: A TOP: Concept 31.1 20. ANS: C TOP: Concept 31.2 21. ANS: B TOP: Concept 31.4 22. ANS: D TOP: Concept 31.4 23. ANS: C TOP: Concept 31.4 24. ANS: E TOP: Concept 31.4 25. ANS: C TOP: Concept 31.4 26. ANS: C TOP: Concept 31.4 27. ANS: B TOP: Concept 31.5 28. ANS: C TOP: Concept 29.3 29. ANS: B TOP: Concept 29.3 30. ANS: C TOP: Concept 29.3 31. ANS: A TOP: Concept 29.4 32. ANS: C TOP: Concept 29.4