Bio 134 PRACTICE TEST Ch. 19, 20 (Protist and Fungi)

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1 Name: Class: _ Date: _ ID: A Bio 134 PRACTICE TEST Ch. 19, 20 (Protist and Fungi) Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A protist is any organism that is not a plant, an animal, a fungus, or a(an) a. eukaryote. c. eubacterium. b. prokaryote. d. archaebacterium. 2. In an amoeba, a small cavity within the cytoplasm that stores food is called a a. gullet. c. food vacuole. b. pseudopod. d. contractile vacuole. 3. Which substances allow algae to harvest and use the energy from sunlight? a. cilium and fucoxanthin c. phycobilin and flagellum b. chlorophyll and accessory pigments d. oogonium and antheridium 4. What effect did the evolution of different forms of chlorophyll in algae have? a. a decrease in the range of depths at which algae can live b. an increase in the range of depths at which algae can live c. no effect on the range of depths at which algae can live d. a reduction in the photosynthetic capacity of algae 5. An algal bloom is a. the clouding of water by sewage. b. an enormous mass of algae. c. a symbiotic relationship between algae and coral. d. none of the above 6. What characteristic of plants is shared by green algae? a. cell wall composition c. multicellularity b. photosynthetic pigments d. all of the above 7. Many algae switch back and forth between diploid and haploid stages during their life cycle in a process known as a. alternation of generations. c. sexual reproduction. b. fusion of opposite mating types. d. asexual reproduction. 8. Why are algae considered one of the most important groups of organisms on our planet? a. They are rich in vitamin C. b. They produce chemicals that are used to treat health problems. c. They produce much of Earth s oxygen through photosynthesis. d. They produce chemicals that are used to make plastics, waxes, and paints. 9. Some products derived from algae include a. drugs for stomach ulcers and high blood pressure. b. thickeners for food. c. chemicals in plastics, waxes, paints, and lubricants. d. all of the above 1

2 Name: ID: A 10. Which of the following is algae s most important contribution to humans? a. as a source for industrial chemicals c. as a photosynthesizer b. as a source for medicinal drugs d. as a direct food source for humans 11. Funguslike protists get nutrients by a. photosynthesis. b. living as an animal parasite. c. absorbing them from dead or decaying matter. d. none of the above 12. Protists that break down organic material include the a. funguslike protists. c. plantlike protists. b. animallike protists. d. none of the above 13. The work of funguslike protists and other decomposers is important in improving the quality of a. salt water. c. topsoil. b. fresh water. d. potato crops. 14. Red algae lack flagella and a. nuclei. c. accessory pigments. b. centrioles. d. chlorophyll. 15. All fungi a. make their food. c. produce mushrooms. b. absorb their food. d. have chlorophyll. 16. Fungi do NOT a. carry on photosynthesis. c. digest food outside their bodies. b. grow on their food source. d. absorb food through their cell walls. 17. Fungi resemble plants in that they both always a. have stems. c. are multicellular. b. grow from the ground. d. have cell walls. 18. A mushroom is a fungal a. fruiting body. c. mycorrhiza. b. lichen. d. yeast. 19. The tangled mass that makes up the body of a fungus is the a. hypha. c. mycelium. b. rhizoid. d. stolon. 20. Most fungi reproduce a. asexually only. c. both sexually and asexually. b. sexually only. d. by budding. 21. Dark fuzz that grows on bread is an example of a. toadstool. c. yeast. b. spore. d. mold. 2

3 Name: ID: A 22. Which statement about Penicillium is correct? a. It produces mushrooms. c. It is the source of an antibiotic. b. It causes bread to rise. d. It causes athlete s foot. 23. An important role of fungi in an ecosystem is a. photosynthesis. c. making alcohol. b. breaking down dead organisms. d. killing bacteria. 24. Fungi that absorb food from decaying organic matter are a. parasites. c. mutualists. b. saprobes. d. autotrophs. 25. Fungi feed on a. only living organisms. c. both living and dead organisms. b. only dead organisms. d. only other fungi. 26. Which of the following statements about fungi is true? a. They bind trace elements and hold them. b. They return trace elements to the soil. c. They do not affect trace elements. d. They deplete the soil of trace elements. 27. The human disease ringworm is caused by a. worms. c. a fungus. b. bacteria. d. yeasts. Figure Figure 21 2 illustrates an association of a(an) a. cyanobacterium and a plant. c. plant and a fungus. b. alga or cyanobacterium and a fungus. d. alga and a plant. 29. Which of the following is NOT a single organism? a. rust c. yeast b. smut d. lichen 3

4 Name: ID: A 30. The association of plants and fungi in mycorrhizae illustrates a type of relationship called a. parasitism. c. competition. b. mutualism. d. parallelism. Matching a. protozoan d. bioluminescent b. contractile vacuole e. colony c. pseudopod 31. able to emit light 32. group of cells or organisms that join together, forming a close association 33. organelle that collects excess water in the cytoplasm and expels it from the cell 34. heterotrophic, unicellular, animal-like protists 35. temporary cytoplasmic extension that sarcodines use for feeding and movement a. hypha d. rhizoid b. mycelium e. lichen c. spore 36. threadlike filament that makes up the basic structural unit of a multicellular fungus 37. symbiotic relationship between a fungus and an algae 38. complex, netlike mass made up of branching hyphae 39. type of hypha formed by a mold that penetrates a food s surface 40. reproductive cell with a hard outer shell that forms a new organism without the fusion of gametes 4

5 ID: A Bio 134 PRACTICE TEST Ch. 19, 20 (Protist and Fungi) Answer Section MULTIPLE CHOICE 1. ANS: B PTS: 1 DIF: B REF: p. 497 OBJ: ANS: C PTS: 1 DIF: B REF: p. 500 OBJ: ANS: B PTS: 1 DIF: B REF: p. 506 OBJ: ANS: B PTS: 1 DIF: E REF: p. 506 OBJ: ANS: B PTS: 1 DIF: A REF: p. 509 OBJ: ANS: D PTS: 1 DIF: A REF: p. 511 OBJ: ANS: A PTS: 1 DIF: B REF: p. 512 OBJ: ANS: C PTS: 1 DIF: A REF: p. 515 OBJ: ANS: D PTS: 1 DIF: A REF: p. 515 OBJ: ANS: C PTS: 1 DIF: E REF: p. 515 OBJ: ANS: C PTS: 1 DIF: A REF: p. 516 OBJ: ANS: A PTS: 1 DIF: B REF: p. 519 OBJ: ANS: C PTS: 1 DIF: A REF: p. 519 OBJ: ANS: B PTS: 1 DIF: A REF: p. 510 OBJ: ANS: B PTS: 1 DIF: B REF: p. 527 OBJ: STA: 13.A.4.a 16. ANS: A PTS: 1 DIF: A REF: p. 527 OBJ: STA: 13.A.4.a 17. ANS: D PTS: 1 DIF: E REF: p. 527 OBJ: STA: 13.A.4.a 18. ANS: A PTS: 1 DIF: B REF: p. 528 OBJ: STA: 13.A.4.a 19. ANS: C PTS: 1 DIF: A REF: p. 528 OBJ: STA: 13.A.4.a 20. ANS: C PTS: 1 DIF: B REF: p. 528 OBJ: STA: 13.A.4.a 21. ANS: D PTS: 1 DIF: B REF: p. 530 OBJ: STA: 13.A.4.a 1

6 ID: A 22. ANS: C PTS: 1 DIF: B REF: p. 536 OBJ: STA: 13.A.4.a 23. ANS: B PTS: 1 DIF: B REF: p ANS: B PTS: 1 DIF: A REF: p ANS: C PTS: 1 DIF: A REF: p ANS: B PTS: 1 DIF: E REF: p ANS: C PTS: 1 DIF: B REF: p. 539 OBJ: STA: 13.A.4.a 28. ANS: B PTS: 1 DIF: E REF: p. 540 OBJ: STA: 13.A.4.a 29. ANS: D PTS: 1 DIF: B REF: p. 540 OBJ: STA: 13.A.4.a 30. ANS: B PTS: 1 DIF: A REF: p. 541 OBJ: STA: 13.A.4.a MATCHING 31. ANS: D PTS: ANS: E PTS: ANS: B PTS: ANS: A PTS: ANS: C PTS: ANS: A PTS: ANS: E PTS: ANS: B PTS: ANS: D PTS: ANS: C PTS: 1 2