BIO-2130 CH. 31 Seed Plants Review – Flashcards
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The lack of seeds is a characteristic of all
a. lycophytes.
b. conifers.
c. tracheophytes.
d. gnetophytes.
answer
a. lycophytes.
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Which of the following adaptations allows plants to pause their life cycle until environmental conditions are optimal?
a. Stomata
b. Phloem and xylem
c. Seeds
d. Flowers
answer
c. Seeds
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Which of the following gymnosperms possesses a form of vascular tissue that is similar to that found in the angiosperms?
a. Cycads
b. Gnetophytes
c. Ginkgophytes
d. Conifers
answer
b. Gnetophytes
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In a pine tree, the miscrospores and megaspores are produced by the process of
a. fertilization.
b. mitosis.
c. fusion.
d. meiosis.
answer
d. meiosis.
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Which of the following terms is NOT associated with a male portion of plant?
a. Megaspore
b. Antheridium
c. Pollen grains
d. Microspore
answer
a. Megaspore
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Which of the following potentially represents the oldest known living species of angiosperm?
a. Cooksonia
b. Archaefructus
c. Chlamydomonas
d. Amborella
answer
d. Amborella
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The integuments of an ovule will develop into the
a. embryo.
b. endosperm.
c. fruit.
d. seed coat.
answer
d. seed coat.
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An example of a drupe is a
a. strawberry.
b. plum.
c. bean.
d. pineapple.
answer
b. plum.
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The pericarp is the
a. ovary wall.
b. developing seed coat.
c. ovary.
d. mature endosperm.
answer
a. ovary wall.
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Reproduction in angiosperms can occur more quickly than in gymnosperms because
a. gymnosperm sperm requires water to swim to the egg.
b. flowers always increase the rate of reproduction.
c. angiosperm pollen tubes grow more quickly than gymnosperm pollen tubes.
d. angiosperms have nectaries.
answer
c. angiosperm pollen tubes grow more quickly than gymnosperm pollen tubes
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In double fertilization, one sperm produces a diploid (__?__), and the other produces a triploid (__?__).
a. zygote; primary endosperm
b. primary endosperm; microspore
c. antipodal; zygote
d. polar nuclei; zygote
answer
a. zygote; primary endosperm
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Apply your understanding of angiosperms to identify which innovations likely contributed to the tremendous success of angiosperms.
a. Homospory in angiosperms
b. Fruits that attract animal dispersers
c. Cones that protect the seed
d. Dominant gametophyte generation
answer
b. Fruits that attract animal dispersers
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Comparing stems of two plant specimens under the microscope, you identify vessels in one and conclude the specimen
a. with vessels must be an angiosperm or a gnetophyte.
b. with vessels is either Ephedra or a cycad.
c. without vessels is a pterophyte.
d. without vessels must be a tracheophyte.
answer
a. with vessels must be an angiosperm or a gnetophyte
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In a flower after fertilization, the following tissues are diploid:
a. carpel, integuments, and megaspore mother cell.
b. carpel, integuments, and megaspore.
c. carpel, megaspore, and zygote.
d. carpel, megaspore mother cell, and endosperm.
answer
a. carpel, integuments, and megaspore mother cell
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Fruits are complex organs that are specialized for dispersal of seeds. Which of the following plant tissues does NOT contribute to mature fruit?
a. Sporophytic tissue from the previous generation
b. Gametophytic tissue from the previous generation
c. Sporophytic tissue from the next generation
d. Gametophytic tissue from the next generation
answer
d. Gametophytic tissue from the next generation