BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 25, Problem 4SA
Summary Introduction
Introduction:
Vascular bundles are organized with xylem and phloem throughout the stem of the plant. The function of vascular bundles is to provide water, ions, and nutrients to all parts of the plant body. Fibers and tracheids are the components of vascular bundles that provide mechanical strength to stem in order to stand upright.
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A 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.
Secondary growth in stems is usually seen in ________. a. monocots b. dicots c. both monocots and dicots d. neither monocots nor dicots
Which of the following statements is incorrect?
a.
Vascular bundles are arranged in a ring in the outer parts of monocot stems in whereas in eudicots they are scattered throughout the stem.
b.
The cuticle is a hydrophobic layer that covers the aerial part of plants
c.
Vascular bundle arrangement is different in stem and root.
d.
The epidermis and periderm form the dermal tissue of plants.
Chapter 25 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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- When a dicot seed sprouts,a. a coleoptile protects the emerging shoot.b. the shoot develops more rapidly than the root.c. the shoot absorbs nutrients directly from theendosperm.d. a root cap protects the emerging root.arrow_forwardChoose the incorrect statement: a. Fusiform and ray initials are formed by the vascular cambium. b. The cork cambium produces the periderm layer, a thicker tougher outer layer that replaces the epidermis. c. Wood is composed of secondary xylem. d. The vascular cambium separates the xylem on the outside of the stem and the phloem on the inside.arrow_forwardThe integuments of an ovule will develop into the a. embryo. b. endosperm. c. fruit. d. seed coat.arrow_forward
- Stem regions at which leaves are attached are called ________. a. trichomes b. lenticels c. nodes d. internodesarrow_forwardThis picture is an example of? a.) tap roots b.) fibrous roots c.) adventitious roots d.) prop rootsarrow_forwardStem of sub-merged hydrophytes is soft and weak because of (a) the absence of phloem (b) the absence of stomata (c) the absence of xylem (d) feebly developed supporting tissue and xylemarrow_forward
- A vascular cylinder consists of _______ a. exodermis b. endodermis c. root cortex d. xylem and phloem e. b and d f. all of the abovearrow_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 gymnosperm b. a monocot c. a eudicot d. a basal angiospermarrow_forwardModified leaves that enable a stem to climb are called __________, whereas modified leaves that cover the winter buds of a dormant woody plant are called __________. (a) spines; bud scales (b) bud scales; tendrils (c) tendrils; bud scales (d) tendrils; spines (e) carnivorous leaves; spinesarrow_forward
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