Download Review of Plant Life Cycles

Review of Plant Life Cycles
1
In the life cycles of all plants, there is an alternation of generations. This means that
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Which of these represents the sporophyte generation of the moss life cycle?
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B
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wind
light
animals
moisture
the development of a flower
_________ are examples of seedless vascular plants.
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The sperm produced by mosses and ferns require _____ to reach the eggs.
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haploid sporophytes make haploid spores.
meiosis in diploid sporophytes produces haploid spores.
gametophytes produce spores that develop into gametes.
in plants, either the gametophyte or the sporophyte is unicellular.
sporophytes and gametophytes are typically similar in appearance.
Ferns
Lilacs
Mosses
Pine trees
Charophyceans
The conspicuous stage in the life cycle of a fern plant is a
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diploid sorus.
diploid sporophyte.
haploid sporophyte.
diploid gametophyte.
haploid gametophyte.
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Review of Plant Life Cycles
6
In mosses gametes are produced by _____; in ferns gametes are produced by _____.
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B
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E
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Which of these structures in the life cycle of a fern is diploid?
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B
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B
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According to this phylogenetic tree, angiosperms are most closely related to
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mitosis ... mitosis
mitosis ... meiosis
meiosis ... mitosis
meiosis ... meiosis
binary fission ... mitosis
green algae.
bryophytes.
gymnosperms.
pteridophytes.
charophyceans.
Which of the following is NOT associated with flowers?
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B
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style
hypha
carpel
anther
stigma
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Review of Plant Life Cycles
10
Angiosperms differ from all other plants because
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11
Which of these is a male gametophyte?
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B
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seed.
immature sporophyte.
immature male gametophyte.
immature female gametophyte.
food reserve for the immature sporophyte.
In pine trees, pollen grains get to the ovule via an opening in the egg case called the
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In pines, an embryo is a(n)
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they produce fruits.
they produce a pollen tube.
they produce wind-dispersed pollen.
the sporophyte generation is dominant.
they use animals to disperse their seeds.
eggs.
micropyle.
megaspore.
pollen cone.
integuments.
Which of these statements is true about the gametophyte tissue that surrounds the pine
embryo?
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B
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D
E
It is the remnant of the pollen tube.
It functions as a diploid food reserve.
It functions as a haploid food reserve.
It functions as a triploid food reserve.
It develops from the fusion of a microspore and a megaspore.
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Review of Plant Life Cycles
15
Ovules are found within structure
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Which of these is unique to flowering plants?
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B
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endosperm.
megaspores.
pollen grains.
embryo sacs.
male sporophytes.
A carpel (or pistil) is composed of
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B
C
D
E
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pollen production
double fertilization
haploid gametophytes
a dominant sporophyte generation
an embryo surrounded by nutritive tissue
The male gametophytes of flowering plants are also referred to as
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B
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D
E
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B
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D
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stigma, style, and ovary.
ovary, ovule, and anther.
petal, sepal, and stamen.
zygote, anther, and endosperm.
ovule, megasporocyte, and anther.
A stamen consists of
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B
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ovary and sepal.
stigma and style.
stigma and anther.
stigma and filament.
anther and filament.
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Review of Plant Life Cycles
20
"Pollination" is the transfer of pollen grain to the _____ of a flower on the same plant or
another plant of the same species.
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B
C
D
E
style
ovary
stigma
anther
ovulate cone
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Review of Plant Life Cycles
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Answer Key : Review of Plant Life Cycles
Question:
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Answer
B
E
D
A
B
A
D
C
B
A
E
B
B
C
B
B
C
A
E
C