WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 12, Problem 9MC
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Which of the following statements is NOT true of the stems of vascular plants?
a. Stems are composed of repeating segments, including nodes and internodes.
b. Primary growth only occurs at the shoot apical meristem.
c. Vascular tissues may be arranged on the outside of the stem or scattered throughout the stem.
d. Stems can contain stomata.
Unlike eudicots, monocots have
a. woody tissue.b. two seed leaves.c. scattered vascular bundles in their stems.d. flower parts in multiples of four or five.
Companion cells are unique to:A. Bryophytes B. PteridophytesC. Angiosperms D. Gymnosperms
Chapter 12 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
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- Which group of plants bears stomata only in the sporophyte generation? a. Chrysophyta b. Anthocerophyta c. Bryophyta d. Marchantiophyta Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? a. Pollen b. Dependent gametophytes c. Ovules d. Alternation of generations Which of these statements is an incorrect comparison of a pine cone and a flower in terms of structure and function? a. Pine cones and flowers both have gametophytes and modified leaves that produce spores. b. All of the statements are correct. c. Unlike pine cones, many flowers produce both pollen and ovules. d. Pine trees have separate pollen cons and ovulate cones while in flowers, pollen grains are produced by the anthers of stamens, and ovules are within the ovaries of carpels.arrow_forwardCorn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely:a. a gymnospermb. a monocotc. a eudicotd. a basal angiospermarrow_forwardThe gametophyte is the dominant generation ina. ferns.b. gymnosperms.c. mosses.d. angiosperms.arrow_forward
- Ferns differ from mosses in having: O a. There is no separate gametophyte and sporophyte (each plant changes from sexual to asexual). O b. The gametophyte is dioecious (single sex). Oc. The sperm are transported by wind. O d. Afunction of the roots is to absorb water from the soil. O e. Dispersal is no longer by spores.arrow_forwardA difference between monocot and dicot plant stems is thea. absence of buds in monocots.b. organization of vascular tissue.c. presence of guard cells.d. absence of stomata.arrow_forwardThe gametophyte is the dominant stage in the life cycle for which of the following plant groups? A. ferns B. horsetails C. liverworts D. whisk ferns E. club mossarrow_forward
- Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to: A. angiosperms B. gymnosperms C. monocotyledons D. dicotyledonsarrow_forwardThe seed leaves of a plant are called thea. meristem.b. endosperm.c. cotyledons.d. zygote.arrow_forwardThe alternation of generations life cycle applies to gymosperms in that: A. the gametophyte stage is reduced B. the sporophyte stage is reduced C. the gametes are produced via meiosis D. the spores are produced via meiosisarrow_forward
- Which of the following statements is incorrect? a. Stomata open when K ions move out of guard cells. b. Tracheids but not usually xylem vessel elements are found in both gymnosperms and angiosperms. c. Loss of water is regulated by control of stomatal closure. d. Phloem sieve vessel function is supported by companion cells.arrow_forwardA botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, he notes the following characteristics: 1. Sperm contained in pollen grains, 2. Sporophyte dominant, 3. Seeds contained in fruits. 4. Xylem with tracheids, Mosses Green Algae Ferns Pines/gymnosperms Flowering plants/angiospermsarrow_forwardPrimary phloem develops from: A. lateral meristem B. protoderm C. extrastelar cambium D. provascular tissuearrow_forward
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