Modified True/False Indicate
whether the statement is true or false. If false, change the identified word or phrase to make
the statement true.
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1.
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Plants are multicellular prokaryotes. _________________________
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2.
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The plant life cycle includes a diploid gamete and a haploid spore.
_________________________
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3.
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Mosses are most often found in dry environments.
_________________________
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4.
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Mosses and liverworts lack a vascular system for transporting water and
nutrients. _________________________
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5.
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Water must be present for fertilization to take place in mosses.
_________________________
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6.
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In mosses and liverworts, eggs are formed through mitosis in the
antheridia. _________________________
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7.
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Gametophytes of conifers are physically much larger than their
sporophytes. _________________________
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8.
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One important difference between mosses and ferns is that mosses have a
vascular system. _________________________
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9.
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Shoots, stems, and roots characterize the bodies of vascular plant
sporophytes. _________________________
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10.
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Ferns are characterized by fronds and fiddleheads.
_________________________
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11.
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Haploid fern spores are produced by gametophytes.
_________________________
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12.
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In ferns, a large sporophyte with leaves called fronds alternates with a
heart-shaped gametophyte. _________________________
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13.
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Ferns need water to reproduce because their sperm must swim to eggs.
_________________________
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14.
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Both mosses and ferns require a thin film of water for gametes to meet.
_________________________
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15.
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In both mosses and ferns, eggs are formed through mitosis in the
antheridia. _________________________
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16.
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Gymnosperm seeds are enclosed in a fruit.
_________________________
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17.
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Gametophytes of seed plants are large and easily viewed with the unaided
eye. _________________________
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18.
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Sexual reproduction in seed plants involves the transfer of pollen from
the male reproductive structures of a plant to the female reproductive structures.
_________________________
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19.
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Seed plants cannot reproduce without a film of water for transferring of
gametes. _________________________
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20.
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A seed is a structure that contains a plant embryo.
_________________________
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21.
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A plant embryo is a new sporophyte. _________________________
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22.
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In flowering plants, the embryos of monocots have two cotyledons.
_________________________
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23.
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Pollen is produced in the tip of the stamen, a structure called the
sepal. _________________________
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24.
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The lower portion of the pistil produces pollen.
_________________________
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25.
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Gametophytes develop within flowers. _________________________
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26.
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Pollen tubes grow through the style toward the ovule.
_________________________
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27.
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Many seeds have appendages that aid in dispersal.
_________________________
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28.
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Asexual reproduction produces new plants that are genetically different
from the parent plant. _________________________
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29.
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Vegetative reproduction does require a plant to have flowers.
_________________________
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30.
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In vegetative reproduction, new plants may be generated from stems or
roots. _________________________
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Multiple Choice Identify the
choice that best completes the statement or answers the question.
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31.
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The ancestors of today’s land plants were probably
a. | brown algae. | c. | green algae. | b. | red algae. | d. | lichens. |
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32.
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Among the challenges that faced early land plants were
a. | eliminating excess water. | b. | obtaining sunlight for
photosynthesis. | c. | absorbing minerals from the rocky surface. | d. | avoiding being eaten
by grazing mammals. |
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33.
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The waxy protective covering of a land plant is called a
a. | cuticle. | c. | rhizome. | b. | capsule. | d. | stoma. |
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34.
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Some land plants developed an internal system of interconnected tubes and
vessels called
a. | cuticles. | c. | a circulatory system. | b. | nonvascular
canals. | d. | vascular
tissue. |
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35.
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sporophytes : spores ::
a. | sporophytes : gametophytes | c. | gametes :
gametophytes | b. | gametophytes : gametes | d. | sporophytes : gametes |
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36.
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The diploid form in a plant’s life cycle is called the
a. | sporophyte. | c. | parental generation. | b. | gametophyte. | d. | alternate
generation. |
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37.
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The haploid form in a plant’s life cycle is called the
a. | sporophyte. | c. | parental generation. | b. | gametophyte. | d. | alternate
generation. |
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38.
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A haploid stage following a diploid stage in a plant’s life cycle is
called
a. | generational recycling. | c. | alternating
forms. | b. | periodic gametogenesis. | d. | alternation of generations. |
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39.
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In plants, haploid gametes are produced as a result of
a. | fertilization. | c. | encapsulation. | b. | meiosis. | d. | mitosis. |
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40.
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sporophytes : meiosis ::
a. | sporophytes : spores | c. | gametophytes : gametes | b. | gametophytes :
mitosis | d. | sporophytes :
gametes |
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41.
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Mosses, hornworts, and liverworts all possess
a. | fibrous roots. | c. | tap roots. | b. | spore capsules. | d. | green leaves. |
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42.
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In nonvascular plants, structures in which spores are produced are known
as
a. | meristems. | c. | cones. | b. | pollen grains. | d. | sporangia. |
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43.
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Which of the following statements about moss spores is not true?
a. | They are produced by the sporophyte. | b. | They are dispersed and then
germinate. | c. | They are produced in a capsule-like top. | d. | They are
diploid. |
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44.
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The sporophyte generation in mosses produces spores by
a. | meiosis. | c. | sexual reproduction. | b. | mitosis. | d. | asexual
reproduction. |
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45.
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The most noticeable form of a moss life cycle is the
a. | sporophyte. | c. | rhizoid. | b. | gametophyte. | d. | zygote. |
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46.
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In which of the following structures do seedless plants produce eggs?
a. | antheridia | c. | archegonia | b. | capsules | d. | cones |
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47.
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antheridia : sperm ::
a. | rhizoids : gametes | c. | archegonia : eggs | b. | seeds : gametophytes | d. | sperm :
megaspores |
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48.
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Both mosses and ferns produce
a. | seeds. | c. | flowers. | b. | fruit. | d. | spores. |
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49.
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Fern sporophytes consist of rhizomes,
a. | large leaves, and flowers. | c. | pollen grains, and
ovules. | b. | cones, and stems. | d. | roots, and fronds. |
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50.
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Unlike mosses, ferns possess
a. | spore capsules. | c. | antheridia. | b. | archegonia. | d. | vascular
tissue. |
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51.
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Fiddleheads are produced by
a. | whisk ferns. | c. | ferns. | b. | club mosses. | d. | horsetails. |
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52.
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Both mosses and ferns produce gametes through
a. | mitosis. | c. | osmosis. | b. | meiosis. | d. | diffusion. |
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53.
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vascular plants : sporophytes ::
a. | sporophytic plants : gametophytes | c. | spores :
gametes | b. | gametes : sporophytes | d. | nonvascular plants : gametophytes |
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The diagram below shows the plant life
cycle.

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54.
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Refer to the diagram above. At which point in the life cycle does fertilization
take place?
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55.
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Refer to the diagram above. The structures produced at 3 are called
a. | sporangia. | c. | spores. | b. | archegonia. | d. | antheridia. |
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56.
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Which of the following were the first land plants to evolve seeds?
a. | angiosperms | c. | mosses | b. | gymnosperms | d. | horsetails |
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57.
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liverworts, hornworts, and mosses : nonvascular plants ::
a. | gymnosperms and angiosperms : bryophytes | b. | ferns :
mosses | c. | gymnosperms and angiosperms : seed plants | d. | bryophytes and
liverworts : vascular plants |
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58.
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gymnosperms : naked seeds ::
a. | pollen : mosses | c. | liverwort : vascular tissue | b. | liverwort :
pollen | d. | angiosperms :
enclosed seeds |
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59.
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In seed plants, female gametophytes produce
a. | sperm. | c. | cells. | b. | eggs. | d. | spores. |
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60.
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A male gametophyte of a seed plant develops into a
a. | pollen grain. | c. | pollen tube. | b. | spore capsule. | d. | seed coat. |
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61.
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The partially developed plant found in seeds is known as a(n)
a. | gametophyte. | c. | embryo. | b. | spore capsule. | d. | sporophyte. |
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62.
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A typical seed contains all of the following except a(n)
a. | seed coat. | c. | embryo. | b. | nutritious tissue. | d. | spore case. |
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63.
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The tallest trees in the world are a species of
a. | conifers. | c. | liverworts. | b. | dicots. | d. | angiosperms. |
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64.
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The process of transferring pollen from a male cone to a female cone in
gymnosperms is called
a. | fertilization. | c. | pollination. | b. | seed formation. | d. | asexual
reproduction. |
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65.
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In conifers, the diploid condition is resumed following
a. | pollination. | c. | respiration. | b. | fertilization. | d. | sporulation. |
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66.
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The seeds of monocots have
a. | one embryo and two cotyledons. | c. | one embryo and one
cotyledon. | b. | two embryos and two cotyledons. | d. | two embryos and one
cotyledon. |
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67.
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Flowering plants are classified as monocots or dicots according to the number of
their
a. | leaves. | c. | meristems. | b. | flowers. | d. | cotyledons. |
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68.
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Monocots and dicots are subdivisions of
a. | angiosperms. | c. | ferns. | b. | gymnosperms. | d. | mosses. |
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69.
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Refer to the diagram above. The structure labeled f
a. | supports the anther. | c. | supports the pistil. | b. | produces pollen. | d. | develops into a
fruit. |
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70.
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Refer to the diagram above. The structure labeled c
a. | produces pollen. | b. | contains sperm cells. | c. | is the area where
pollen lands and sticks. | d. | contains meristematic
tissue. |
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71.
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Removing a flower’s stigma would initially affect
a. | fertilization. | c. | pollination. | b. | seed production. | d. | seed dispersal. |
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72.
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Pollen is produced in a structure called the
a. | anther. | c. | ovary. | b. | stigma. | d. | pistil. |
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73.
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In angiosperms, immediately following pollination,
a. | the seed develops. | c. | fertilization occurs. | b. | an egg cell is
formed. | d. | the pollen tube
begins to form. |
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74.
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During fertilization in flowering plants, one sperm fuses with an egg to form an
embryo, and another fuses with two nuclei to form nutritive tissue. This event is called
a. | self-pollination. | c. | maximization. | b. | adaptation. | d. | double
fertilization. |
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75.
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fruit : mature ovary
a. | gametophyte : sporophyte | c. | cotyledon : food
reserve | b. | gymnosperm : angiosperm | d. | vascular plant : nonvascular plant |
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76.
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If a plant’s flowers are very colorful and produce nectar, the plant is
probably pollinated by
a. | water. | c. | insects. | b. | wind. | d. | self-pollination. |
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77.
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One way that flowers produced by angiosperms help ensure the transfer of gametes
is by
a. | traveling in the air currents. | b. | bursting open and projecting gametes onto the
landscape. | c. | attracting animals that carry pollen from one flower to another. | d. | producing tasty
fruits that animals depend on for food. |
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78.
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What function do all fruits produced by angiosperms perform?
a. | produce nutrients for the plant | b. | nourish the embryos | c. | disperse the
seeds | d. | ensure pollination |
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79.
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Which structure allows plants to reproduce asexually?
a. | tuber | c. | archegonium | b. | flower | d. | antheridium |
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80.
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The production of offspring genetically identical to the parent plant is the
result of
a. | sexual reproduction. | c. | alternation of generations. | b. | asexual
reproduction. | d. | double
fertilization. |
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Completion Complete each
statement.
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81.
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The surface of a vascular plant is covered by a waxy, waterproof layer called
a(n) ____________________.
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82.
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One of the first environmental challenges that early land plants had to overcome
was developing a way to conserve ____________________.
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83.
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The sporophyte generation produces spores by the process of
____________________.
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84.
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The haploid form of a plant is known as the ____________________
generation.
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85.
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Nonvascular plants transport materials within their bodies through the process
of ____________________.
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86.
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A green, hornlike sporophyte growing upward from the gametophyte is typical of
plants known as ____________________.
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87.
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In mosses and liverworts, the ____________________ generation is the dominant
generation.
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88.
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The very tiny liverwort ____________________ grow from the archegonia under the
caps of female stalks.
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89.
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The gametophytes of ____________________ plants are larger and more noticeable
than the sporophytes.
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90.
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The seedless plants produce sperm within the ____________________.
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91.
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True roots, stems, and leaves are associated with ____________________
plants.
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92.
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A fern is an example of a(n) ____________________ vascular plant.
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93.
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Both mosses and ferns produce eggs within structures called
____________________.
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94.
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Like the nonvascular plants, the seedless vascular plants can reproduce sexually
only when a film of ____________________ covers the gametophyte.
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95.
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Unlike mosses, ferns have sporophytes that are much ____________________ than
their gametophytes.
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96.
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Seed plants whose seeds do not develop within a sealed container (fruit) are
called ____________________.
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97.
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Fruit is a characteristic associated only with the flowering plants, or
____________________.
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98.
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A male gametophyte of a seed plant develops into a(n)
____________________.
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99.
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The ____________________ is the protective cover that surrounds a seed.
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100.
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The seed coat prevents the embryo from drying out, from mechanical injury, and
from ____________________.
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101.
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A(n) ____________________ is a specialized structure that develops from an ovule
and serves to protect a plant embryo from harsh conditions.
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102.
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The four major groups of gymnosperms are gnetophytes, cycads, ginkgoes, and
____________________.
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103.
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A mature pine tree produces both male and female ____________________.
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104.
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Gymnosperms are pollinated by ____________________, which makes sexual
reproduction possible even during dry conditions.
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105.
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The life cycle of a conifer is characterized by a large ____________________
generation.
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106.
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In conifers, seeds form on the ____________________ of cones.
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107.
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A plant that has flower parts that occur in fours or fives or multiples of four
or five is a member of a subgroup called a(n) ____________________.
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108.
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Refer to the diagram above. The structure labeled f is called the
____________________.
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109.
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Refer to the diagram above. The structure labeled b is called the
____________________.
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110.
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Refer to the diagram above. A flower like this one has all four basic flower
parts and thus is an example of a(n) ____________________ flower.
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111.
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The transfer of pollen grains from an anther to a stigma is known as
____________________.
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112.
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In angiosperms, seeds develop from the ____________________ inside a(n)
____________________ after an egg has been fertilized.
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113.
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The event in which one sperm fertilizes an egg and a second sperm fuses with two
nuclei is called _________________________.
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114.
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A flower is a(n) ____________________ structure that produces pollen and
seeds.
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115.
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Flowers are a source of ____________________ for pollinators.
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116.
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The seeds of angiosperms are enclosed in ____________________.
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117.
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Because flowering plants are rooted in the ground and cannot move from place to
place, they must disperse their ____________________ so that their offspring can grow in new
environments.
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118.
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Many fruits are spread by ____________________ that are attracted to sweet,
fleshy fruits, which they use for food.
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119.
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Many of the structures by which plants reproduce vegetatively are modified
____________________.
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120.
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Bulbs, stolons, and tubers are examples of modified stems that allow plants to
reproduce ____________________.
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