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1 | |
In fungi, masses of threadlike _________branch extensively into a collective mass called a ________.
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| | A) | a. septa, hyphae
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| | B) | b. hyphae, mycelium
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| | C) | c. septa, mycelium
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| | D) | d. mycelium, septa
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2 | |
2. Chlamydospores and sclerotium are both dormant resting stages of certain genera of fungi.
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| | A) | True
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| | B) | False
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3 | |
3. The fusion of cytoplasm from two cells or gametes
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| | A) | a. occurs early in the fungi life cycle.
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| | B) | b. is called plasmogamy.
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| | C) | c. is followed by karyogamy.
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| | D) | d. all of the above.
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| | E) | e. b and c are correct.
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4 | |
4. In the Division Myxomycota, the plasmodium stage is the animal-like feeding stage.
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| | A) | True
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| | B) | False
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5 | |
5. In the Division Oomycota, ________ form as a result of fertilization, and ________ are motile asexual spores.
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| | A) | a. teleospores, zoospores
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| | B) | b. oospores, zoospores
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| | C) | c. zygospores, sporangiospores
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| | D) | d. oospheres, antheridia
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6 | |
6. In the Division _______, ascospores are produced within a saclike ascus.
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| | A) | a. Ascomycota
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| | B) | b. Deuteromycota
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| | C) | c. Oomycota
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| | D) | d. Zygomycota
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7 | |
7. One of the largest living organisms is a basidiomycete in Washington State that covers 1,500 acres.
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| | A) | True
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| | B) | False
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8 | |
8. Penicillium is placed in a group of fungi called the Fungi Imperfecti because it develops an endosymbiotic relationship with pathogenic bacteria.
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| | A) | True
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| | B) | False
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9 | |
9. Organisms that have both a saprobic and a parasitic lifestyle are known as ectomycorrhizae.
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| | A) | True
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| | B) | False
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10 | |
10. The mycobionts of vesicular-arbuscular mycorrhizae belong to the Division ________.
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| | A) | a. Basidiomycota
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| | B) | b. Ascomycota
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| | C) | c. Zygomycota
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| | D) | d. none of the above
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11 | |
11. There are currently two mating types of Phytophthora infestans that may cause epidemics of potato blight throughout the world.
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| | A) | True
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| | B) | False
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12 | |
12. The flask-shaped spermagonia of wheat rust develop on the alternate host, __________.
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| | A) | a. barberry
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| | B) | b. wheat
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| | C) | c. chestnut
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| | D) | d. potato
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13 | |
13. Lichens are often used as a pollution indicator because they are very sensitive to sulfur dioxide.
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| | A) | True
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| | B) | False
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14 | |
14. Corn smut fungus overwinters ________.
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| | A) | a. on apples
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| | B) | b. on plant debris
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| | C) | c. in soil
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| | D) | d. all of the above
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| | E) | e. b and c are correct
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15 | |
15. Dry rot is a serious wood-rotting fungus in the Southwest U.S. because it only infects wood that is excessively dried from intense solar radiation.
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| | A) | True
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| | B) | False
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16 | |
16. Dutch Elm Disease fungus is carried from infected trees to healthy trees by the elm bark beetle.
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| | A) | True
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| | B) | False
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17 | |
17. The success of the elm vaccine is based on ________ that the plant produces in response to pathogens.
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| | A) | a. uridiospores
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| | B) | b. phytoalexins
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| | C) | c. lignin
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| | D) | d. glycoproteins
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2003 McGraw-Hill Higher Education