Chapter 22

Biology Concepts and Applications · 13 exercises

Problem 1

All fungi ___. a. are multicelled c. are heterotrophs b. form flagellated spores d. all of the above

4 step solution

Problem 2

Most fungi obtain nutrients from ___. a. wastes and remains c. living animals b. living plants d. photosynthesis

4 step solution

Problem 3

A fungus that usually lives as a mass of haploid hyphae and reproduces asexually is called a ___. a. lichen c. yeast b. mold d. mushroom

4 step solution

Problem 4

A ___ steals sugars from a living plant cell. a. rust or smut c. lichen b. mushroom d. mold

3 step solution

Problem 5

In many ___ a dikaryotic mycelium is the largest and longest-lived component of the life cycle. a. chytrids \(c\) sac fungi b. zygote fungi d. club fungi

6 step solution

Problem 6

A ___ produces spores by meiosis in an ascus. a. chytrid c. sac fungus b. zygote fungus d. club fungus

3 step solution

Problem 7

A mushroom is ___. a. the digestive organ of a club fungus b. the only part of the fungal body made of hyphae c. a reproductive structure that releases sexual spores d. the only diploid phase in the club fungus life cycle

3 step solution

Problem 8

Spores released from a mushroom's gills are ___. a. dikaryotic c. flagellated b. diploid d. produced by meiosis

5 step solution

Problem 9

____ by yeasts helps us produce bread, soy sauce, and ethanol as a biofuel. a. Photosynthesis c. Decomposition b. Fermentation d. Budding

3 step solution

Problem 10

A ____ helps to break down rocks and form soil. a. chytrid c. mycorrhiza b. glomeromycete d. lichen

4 step solution

Problem 11

____ are mycorrhizal fungi with hyphae that grow into a root cell and branch inside it. a. Glomeromycetes c. Zygote fungi b. Chytrids d. Club fungi

4 step solution

Problem 14

Human fungal infections usually ___. a. alter brain function c. are deadly b. involve the skin d. are caused by club fungi

7 step solution

Problem 15

Match the terms appropriately $$ \text { hypha} \quad \quad\quad\quad\quad \text { a. produces flagellated spores } $$ $$ \text { chitin } \quad \quad\quad\quad\quad \text { b. component of fungal cell walls } $$ $$ \text { chytrid } \quad \quad\quad\quad\quad \text { c. filament of a mycelium } $$ $$ \text { zygote fungus } \quad \quad\quad\quad\quad \text { d. fungus-root partnership } $$ $$ \text { club fungus } \quad \quad\quad\quad\quad \text { e. bread mold is an example } $$ $$ \text { lichen } \quad \quad\quad\quad\quad \text { f. many form mushrooms } $$ $$ \text { mycorrhiza } \quad \quad\quad\quad\quad \text { g. single-celled fungus} $$ $$ \text { yeast } \quad \quad\quad\quad\quad \text { h. partnership between a fungus and photosynthetic cells } $$

8 step solution

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