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The ________ plants include among others,the ferns,conifers,and the flowering plants,all of which contain nutrient-conducting systems.

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In all seed plants,male and female ___________ develop within the parent sporophyte and are completely dependent on it for nutrition and water.

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Which one of the following choices states a major difference between the life cycle of an angiosperm and a gymnosperm such as pine?


A) Angiosperms are dioecious;pines are not.
B) Angiosperms use a pollen tube to deliver sperm to the egg;pines do not.
C) The tissue surrounding the embryo is triploid in angiosperms;it is diploid in pines.
D) The megaspore mother cell is diploid in angiosperms;it is haploid in pines.
E) Microspores are produced by meiosis in angiosperms;they are produced by mitosis in pines.

F) C) and D)
G) A) and E)

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Plants,and their predecessors,green algae,do not share the property of


A) containing chlorophylls a and b,and carotenoids.
B) containing cellulose-rich cell walls.
C) containing a system of roots and stems.
D) containing starch as the primary food storage product.
E) forming a cell plate during cytokinesis.

F) B) and C)
G) A) and E)

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All of the following statements about seed plants are correct except


A) a dormant phase is introduced into the life cycle.
B) sperm reach eggs by traveling through a pollen tube.
C) in angiosperms the ovary develops into the seed.
D) seed plants produce two kinds of gametophytes.
E) pollen grains,multicellular male gametophytes,are conveyed to the female gametophyte by wind or pollinators.

F) A) and D)
G) C) and D)

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Which one of the following structures in the moss life cycle is not haploid?


A) germinating spore
B) antheridium
C) sperm
D) spore mother cell
E) rhizoid tissue

F) A) and D)
G) A) and C)

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The object called a ______ contains the embryo and food supply in heterosporous plants.

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Which one of the following floral structures is not part of a carpel?


A) stigma
B) receptacle
C) ovary
D) ovule
E) style

F) A) and C)
G) A) and E)

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All of the following statements about ferns are correct except


A) ferns flourish in many habitats,but the majority are located in the tropics.
B) the sporophyte is a conspicuous generation.
C) the gametophyte is a conspicuous generation.
D) ferns have underground stems called rhizomes.
E) sori are located on the back or ventral surface of fronds.

F) B) and D)
G) None of the above

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Advances in molecular systematics show that whisk ferns and horsetails are the closest living relatives of


A) mosses.
B) club mosses.
C) seed plants.
D) gymnosperms.
E) ferns.

F) C) and E)
G) B) and E)

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Which of the following is not one of the whorls of a complete flower?


A) gynoecium containing carpels
B) androecium containing stamens
C) corolla containing petals
D) calyx containing the sepals
E) embryo containing zygotes

F) B) and D)
G) C) and E)

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Fertilization in angiosperms leads to the formation of a diploid zygote and the typically triploid primary


A) endosperm nucleus.
B) seed.
C) ovule.
D) ovary.
E) carpel.

F) C) and D)
G) None of the above

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Gymnosperms and angiosperms differ in whether their ______ are completely enclosed by sporophytic tissue or not,at the time of pollination.

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Plants have a ______ life cycle in which the haploid and diploid stages are multicellular.

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Flowers do not contain a(n)


A) stigmA.
B) style.
C) flagellated sperm.
D) pistil.
E) anther.

F) B) and E)
G) C) and D)

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Which of the following is not true about ferns?


A) Their gametophytes and sporophytes are both photosynthetic.
B) Their sporophytes are much smaller than the gametophytes.
C) Their underground stem is called a rhizome.
D) Their leaves are called fronds.
E) Clustered,stalked sporangia called sori arise on the backs of the fronds.

F) None of the above
G) A) and B)

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Choose the letter of the best match from the following: -Seed-forming;motile sperm;palm-like plants.


A) Anthophyta
B) Coniferophyta
C) Cycadophyta
D) Bryophyta
E) Pterophyta

F) A) and B)
G) B) and C)

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For which of the following organisms is the sporophyte stage the dominant stage in the life cycle?


A) human
B) fern
C) green alga Chlamydomonas
D) green alga Ulva
E) liverwort

F) A) and B)
G) None of the above

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In plants,the sporophyte generation produces _______ as a result of meiosis.

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Carbohydrates are transported away from the green parts of the plant by the cells of


A) phloem.
B) xylem.
C) cortex.
D) vascular cambium.
E) cork cambium.

F) B) and E)
G) A) and D)

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