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1 | |
In fungi, masses of threadlike _________branch extensively into a collective mass called a ________. |
| | A) | a. septa, hyphae |
| | B) | b. hyphae, mycelium |
| | C) | c. septa, mycelium |
| | D) | d. mycelium, septa |
| | E) | e. fibers, mushroom |
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2 | |
2. Which of the following describes the group fungi? |
| | A) | a. Fungi are heterotrophic. |
| | B) | b. Some fungal cells possess chlorophyll. |
| | C) | c. Fungi have an absorptive type of nutrition. |
| | D) | d. all of the above |
| | E) | e. only a and c |
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3 | |
3. The fusion of cytoplasm from two cells or gametes |
| | A) | a. occurs early in the fungi life cycle. |
| | B) | b. is called plasmogamy. |
| | C) | c. is followed by karyogamy. |
| | D) | d. all of the above. |
| | E) | e. b and c are correct. |
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4 | |
4. Fungal cell walls are largely composed of ________, a nitrogen-containing polysaccharide, with a few exceptions that possess ________ fibrils. |
| | A) | a. cellulose, protein |
| | B) | b. lignin, chitin |
| | C) | c. chitin, cellulose |
| | D) | d. matrix, pectin |
| | E) | e. none of the above |
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5 | |
5. In the Division Myxomycota, the plasmodium stage is the animal-like feeding stage. |
| | A) | True |
| | B) | False |
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6 | |
6. In the Division Oomycota, ________ form as a result of fertilization, and ________ are motile asexual spores. |
| | A) | a. teleospores, zoospores |
| | B) | b. oospores, zoospores |
| | C) | c. zygospores, sporangiospores |
| | D) | d. oospheres, antheridia |
| | E) | e. oogonium, gametangia |
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7 | |
7. In the Division _______, ascospores are produced within a saclike ascus. |
| | A) | a. Ascomycota |
| | B) | b. Deuteromycota |
| | C) | c. Oomycota |
| | D) | d. Zygomycota |
| | E) | e. Myxomycota |
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8 | |
8. One of the largest living colony of organisms is a basidiomycete in Washington State that covers 1,500 acres. |
| | A) | True |
| | B) | False |
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9 | |
9. Penicillium is placed in a group of fungi called the Fungi Imperfecti. |
| | A) | True |
| | B) | False |
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10 | |
10. Organisms that have both a saprobic and a parasitic lifestyle are known as ectomycorrhizae. |
| | A) | True |
| | B) | False |
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11 | |
11. The mycobionts of vesicular-arbuscular mycorrhizae belong to the Division ________. |
| | A) | a. Basidiomycota |
| | B) | b. Ascomycota |
| | C) | c. Zygomycota |
| | D) | d. Chytridiomycota |
| | E) | e. none of the above |
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12 | |
12. There are currently two mating types of Phytophthora infestans that may cause epidemics of potato blight throughout the world. |
| | A) | True |
| | B) | False |
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13 | |
13. The flask-shaped spermagonia of wheat rust develop on the alternate host, __________. |
| | A) | a. barberry |
| | B) | b. wheat |
| | C) | c. chestnut |
| | D) | d. potato |
| | E) | e. tomato |
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14 | |
14. Lichens are often used as a pollution indicator because they are very sensitive to sulfur dioxide. |
| | A) | True |
| | B) | False |
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15 | |
15. Corn smut fungus overwinters ________. |
| | A) | a. on apples |
| | B) | b. on plant debris |
| | C) | c. in soil |
| | D) | d. all of the above |
| | E) | e. b and c are correct |
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16 | |
16. Secondary products produced by plants in response to bacterial and fungal pathogens are known as __________. |
| | A) | a. phenolic compounds |
| | B) | b. phytoalexins |
| | C) | c. tannins |
| | D) | d. essential oils |
| | E) | e. both a and c |
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17 | |
17. Dutch Elm Disease fungus is carried from infected trees to healthy trees by the elm bark beetle. |
| | A) | True |
| | B) | False |
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18 | |
18. The fungal organism responsible for Sudden Oak Death is closely related to the organism that causes ___________. |
| | A) | a. late blight of potato |
| | B) | b. corn smut |
| | C) | c. wheat rust |
| | D) | d. Dutch elm disease |
| | E) | e. dry rot |
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2006 McGraw-Hill Higher Education