b. basal meristem cells continuously produce new spore-generating. c. the foot develops rhizoids and the sporophyte becomes independent from the gametophyte. d. spores are produced only by mitosis. 17. Which of the following is true? a. Ferns produce seeds. b. In seed plants, sporophyte is nourished and protected by gametophyte. c. In mosses, gametophyte is nourished and protected by sporophyte. d. Sporophyte and gametophyte are independent in ferns.

b. basal meristem cells continuously produce new spore-generating. c. the foot develops rhizoids and the sporophyte becomes independent from the gametophyte. d. spores are produced only by mitosis. 17. Which of the following is true? a. Ferns produce seeds. b. In seed plants, sporophyte is nourished and protected by gametophyte. c. In mosses, gametophyte is nourished and protected by sporophyte. d. Sporophyte and gametophyte are independent in ferns.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter28: Seedless Plants

Section: Chapter Questions

Problem 9TYK

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Similar questions

Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.
1. Which group bears stomata only in the sporophyte generation? a. Bryophyta b. Chrysophyta c. Marchantiophyta d. Anthocerophyta 2. Which is TRUE about bryophytes? a. Not all bryophytes have conspicuous gametophyte generation. b. The gametophyte bears the sporangium where the spores are located. c. The sporophyte stage is dependent on the gametophyte for nutrition. d. All bryophytes exhibit a peristome which aids in nutrient transfer. 3. Why is Sphagnum widely used as a growth medium in horticulture? a. Because it prevents nutrient deficiency due to its decay-resistant phenol-rich cell wall. b. Because it prevents salinity stress due to its high water-holding capacity. c. Because it prevents plasmolysis due to its high water-holding capacity. d. Because it prevents seed rot due to the antiseptic property of its phenol-rich cell wall.
1. What might be the direct consequence to liverworts if the gene for the expression of elaters is deleted? a. Leaching of special oil in the sporangium b. Desiccation of the sporangium c. Inefficient water absorption in the air d. Non-dispersal of spores in the sporangium 2. Which group of non-vascular plants has the best carbon capture mechanism? a. Bryophyta b. Chlorophyta c. Marchantiophyta d. Anthocerophyta 3. Three unknown non-vascular plant species are collected by Biology 3 students. Which characters can BEST discriminate them from one another? I. protonema II. special organelles III. seta IV. calyptra V. capsule VI. stalk a. I,III,V b. III,IV,V c. I,II,III d. II,IV,VI
The following evolutionary trends are seen in the seedless land plants. a. Gametophytes became photosynthetic. b. A key innovation accompanying the appearance of pterophytes was the haplodiplontic life cycle. c. The gametophyte generation became the dominant generation. d. There is increased protection of the sporophyte generation in its early developmental stages.
1, choose which statement about plants is false? a, plants do not carry out cellular respiration. b, plant fibers can be used to make textiles. c, plants are a source of pharmaceutical products. d, plant products can be used as building materials. e, plants can help reduce soil erosion. 2, Choose, A plant embryo surrounded by a seed coat is called a, endosperm b, zygote c, fruit d, seed 3, choose, Phototropism occurs due to the effects of a, gravity b, auxins c, abscisic acid d, osmosis
Which of the following incorrectly pairs a sporophyte embryo with its food source? * A. Moss embryo-archegonium and gametophyte plant B. Fern embryo-female sporophyte surrounding archegonium C. Pine embryo-female gametophyte tissue in nucellus D. Corn embryo-3N endosperm tissue in seed
1.Spraying some plants with a combination of auxin and gibberellins will . A. promote ripening of fruits B. promote fruit formation C. preventing senescence D. enlargers’ fruit growth 2. All lowering plants belong to class . A. conifers B. angiospermae C. felicinae D. gymnospermae
In addition to having simple vascular tissue, seedless vascular plants differ from all bryophytes in that: a. they do not require free water for fertilization. b. the sporophyte generation is dominant. c. most do not require a moist, humid, or shaded habitat. d. the group is much more diverse, with many more speciesoverall. e. most have a feathery or flattened thallus.
Which of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generations
In bryophytes, eggs are fertilized in a chamber on the ________ and a zygote develops into a _______. a. sporophyte; gametophyte b. gametophyte; sporophyte c. sorus; cone
What adaptation do seed plants have in addition to the seed that is not found in seedless plants? a. gametophytes b. vascular tissue c. pollen d. chlorophyll
Which feature(s) do ferns share with all other land plants? a. sporophyte and gametophyte life cycle stages b. gametophytes supported by a thallus c. dispersal of spores from a sorus d. asexual reproduction by way of gemmae e. water uptake by means of rhizoids.