Plants Colonized Land) Dynamic Study
Module questions and solutions
*Typically, the upper part of a bryophyte capsule that contains the spores features a ring of
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interlocking, tooth-like structures known as the __________.*
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A. Seta
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B. Strobili
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C. Protonema
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D. Microphyll
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E. Peristome - ANSWER - E. Peristome
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*The tissue called phloem has what function in vascular plants?*
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A. Dispersal of spores
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B. Conduction of water and minerals
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C. Bearing of sporangia
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D. Distribution of sugars, amino acids, and other organic products
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E. Absorption of water and minerals from the soil - ANSWER - D. Distribution of sugars,
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amino acids, and other organic products
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*Where would you find a fern gametophyte?* mp mp mp mp mp mp
A. In a freshwater stream
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B. On the underside of the leaf (frond)
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C. On moist soil
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D. Attached to the underground stem (rhizoids)
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E. Inside a dissected seed - ANSWER - C. On moist soil
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*Which of the following is a genus in the phylum Monilophyta?*
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A. Sphagnum
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B. Marchantia
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C. Equisetum
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D. Isoetes
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E. Selaginella - ANSWER - C. Equisetum
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*Water is brought into mosses primarily by __________.*
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A. Rhizoids
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B. Diffusion through all cells
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C. Leaves
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D. Xylem
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E. Roots - ANSWER - B. Diffusion through all cells
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, *A major division in plant systematics is based on whether a particular species has
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__________.*
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A. Vascular tissue
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B. Sporophytes
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C. Apical meristems
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D. Alternation of generations
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E. Gametophytes - ANSWER - A. Vascular tissue
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*Which of the following is true of the life cycle of bryophytes?*
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A. Gametes are transported through mutualisms with animals
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B. The gametophyte remains attached to and dependent on the sporophyte
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C. None of the listed statements is true of the life cycle of mosses
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D. A moist environment is required for sexual reproduction
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E. Reproduction is only asexual - ANSWER - D. A moist environment is required for sexual
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reproduction
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*In what way do megasporangia differ from microsporangia?*
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A. Megasporangia are possessed only by vascular plants, wheras microsporangia are
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present on all land plants
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B. Microsporangia are the early developmental stages of megasporangia
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C. Megasporangia produce spores that develop into female gametophytes, whereas
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microsporangia produce spores that develop into male gametophytes
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D. Megasporangia produce many times the number of spores produced by microsporangia
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E. Megasporangia produce spores that are protected by sporopollenin, whereas
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microsporangia produce naked spores - ANSWER - C. Megasporangia produce spores
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that develop into female gametophytes, whereas microsporangia produce spores that
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develop into male gametophytes
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*The embryophytes are __________.*
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A. The masses of one-cell-thick filaments through which mosses absorb water and minerals
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B. The structures of a moss that produce and house eggs
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C. The haploid stage in plant alteration of generations
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D. The land plants
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E. A protist group that possesses some of the reproductive traits of plants - ANSWER - D.
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The land plants
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*The development of the __________ prevents plants from drying out and protects them
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from microbes.*
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A. Flavonoid
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B. Apical meristem
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C. Gametangia
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D. Stomata
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E. Cuticle - ANSWER - E. Cuticle
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*The "dots" on the underside of a fern frond are spore cases; therefore, what is true of the
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plant to which the frond belongs?*
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