Chapter 14

Biology Today and Tomorrow with Physiology · 15 exercises

Problem 1

Which of the following statements is not correct? a. Gymnosperms were the earliest flowering plants. b. Mosses are nonvascular plants. c. Ferns and angiosperms are vascular plants. d. Only angiosperms produce fruits.

4 step solution

Problem 2

Which does not apply to gymnosperms or angiosperms? a. vascular tissues b. diploid dominance c. single spore type d. all of the above

5 step solution

Problem 3

Bryophytes have independent _______ and dependent ________ . a. sporophytes; gametophytes b. gametophytes; sporophytes

5 step solution

Problem 4

Ferns are classified as ________ plants. a. multicelled aquatic b. nonvascular seed c. seedless vascular d. seed-bearing vascular

3 step solution

Problem 5

The ________ produce flagellated sperm. a. ferns b. conifers c. monocots d. a and \(c\)

5 step solution

Problem 6

The ________ produced in the male cones of a conifer develop into pollen grains. a. ovules b. ovaries c. megaspores d. microspores

4 step solution

Problem 7

A seed is _________. a. a female gametophyte b. a mature ovule c. a mature pollen tube d. an immature spore

3 step solution

Problem 8

Match the terms appropriately. $$ \text {________gymnosperm} \quad \quad\quad\quad\quad \text {a. gamete- producing body} $$ $$ \text {________sporophyte} \quad \quad\quad\quad\quad \text {b. help control water loss} $$ $$ \text {________horsetail} \quad \quad\quad\quad\quad \text {c. "naked" seeds} $$ $$ \text {________bryophyte} \quad \quad\quad\quad\quad \text {d. spore- producing body} $$ $$ \text {________gametophyte} \quad \quad\quad\quad\quad \text {e. nonvascular land plant} $$ $$ \text {________stomata} \quad \quad\quad\quad\quad \text {f. seedless vascular plant} $$ $$ \text {________angiosperm} \quad \quad\quad\quad\quad \text {g. flowering plant} $$

7 step solution

Problem 9

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

3 step solution

Problem 10

Fungal decomposers derive nutrients from _______. a. organic wastes and remains b. living plants c. living animals d. photosynthesis

4 step solution

Problem 11

A mushroom is _______. a. the food-absorbing part of a fungus b. the only part of the fungal body not made of hyphae c. a reproductive structure that releases sexual spores d. the longest-lived part of the fungal life cycle

4 step solution

Problem 12

Human fungal infections most commonly involve a. the brain c. the digestive system b. the heart d. body surfaces

4 step solution

Problem 13

A _________ is a composite organism composed of a fungus and a single-celled photosynthetic species. a. mycorrhiza b.lichen c. decomposer d. ringworm

3 step solution

Problem 14

Cell walls of fungi are composed of _______. a. cellulose b. keratin c. lignin d. chitin

5 step solution

Problem 15

Match the terms appropriately. $$ \text {________decomposer} \quad \quad\quad\quad\quad \text {a. filament made of walled cells} $$ $$ \text {________yeast} \quad \quad\quad\quad\quad \text {b. club fungus fruiting body} $$ $$ \text {________mushroom} \quad \quad\quad\quad\quad \text {c. fungus with flagellated spores} $$ $$ \text {________chytrid} \quad \quad\quad\quad\quad \text {d. mesh of fungal filaments} $$ $$ \text {________hypha} \quad \quad\quad\quad\quad \text {e. having two nuclei in a cell} $$ $$ \text {________mycelium} \quad \quad\quad\quad\quad \text {f. single-celled fungus} $$ $$ \text {________dikaryotic} \quad \quad\quad\quad\quad \text {g. breaks down organic matter} $$

7 step solution

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