Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 27, Problem 5SQ
Summary Introduction
Concept introduction: Lateral root helps to anchor the plant securely to the soil. This root contributes to the water uptake and facilitates the extraction of nutrients required for the growth and development of the plant. Different factors are involved in the formation of lateral roots. The lateral root formation is in the control of plant hormones like auxin and by the precise control of aspects by the cell cycle.
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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.
Choose 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.
Which of the following is false? a. Stems have vascular bundles, and roots have vascular cylinders. b. Lateral roots can arise from nodes on a root. c. Primary growth (lengthening) can occur at an axillary bud. d. Apical meristem gives rise to epidermal tissue, ground tissue, and vascular tissue. e. Wood is xylem that forms during secondary growth
Chapter 27 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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- Choose the incorrect statement: a. Bundle sheath cells surround the vascular bundles in both eudicots and monocots. b. Phloem sieve elements contain a higher concentration of amino acids than xylem vessels. c. Phloem sieve elements and xylem tracheary elements are similar at maturity because they are both dead. d. Root hairs are the primary cell type that absorbs water in roots.arrow_forwardRoots differ from stems because roots lack a. vessel elements. b. nodes. c. an epidermis. d. ground tissue.arrow_forwardPlace the letter of the definition in the box next to its correct term Primary growth A. tissue for protection; prevents water loss Vascular cambium B. tissue that transports sugars up & down the plant Ground tissue C. creates secondary xylem & phloem Xylem D. tissue for metabolism, storage & support Bark E. Consists of cork, cork cambium & secondary phloem Dermal tissue F. tissue that transports water from roots to stems Phloem G. comes from the apical meristemarrow_forward
- 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.arrow_forwardWhich one of the following statements about root hairs is CORRECT? Select one: a. They are found in the zone of cell elongation and help the root to fix nitrogen. b.They are found in the root cap and help the root sense gravity. c.They are found in the zone of cell division of the root and help anchor the plant in the soil. d.They are found in the root apical meristem and help the root to absorb water. e.They are found in the zone of cell differentiation in the root. Which of the following best describes the route to fruit formation in flowering plants? Select one: a. 1) pollination, 2) double fertilization, 3) embryo develops, 4) ovary matures, 5) ovule matures. b. 1) pollination, 2) germination of pollen, 3) endosperm develops, 4) ovule develops. c. 1) pollination, 2) endosperm develops, 3) embryo develops, 4) ovule matures. d. 1) pollination, 2) fertilization, 3) embryo develops, 4) ovary matures. e.1) pollination, 2) fertilization, 3) germination of pollen, 4) ovule…arrow_forwardA monocot stem differs from a eudicot stem in that, in the monocot stem,a. xylem and phloem are in a ring surrounding the pith.b. xylem and phloem are in bundles scattered throughout the stem.c. there is an organized cortex and pith.d. xylem forms a star in the center, with phloem between the points of the star.e. the epidermis does not have a waxy cuticle covering it.arrow_forward
- A region of active cell division where primary growth occurs is the a. internode.b. apical meristem.c. root nodule.d. cork cambium.e. vascular cambium.arrow_forwardWhat is the term used to identify the multi-cellular ring of fibers surrounding each of the vascular bundles in a C3 leaf’s veination? Select one: a. fiber sheath b. collenchyma collar c. turgor ring d. stomatal sheath e. granum circlearrow_forwardWhich of the following statements about primary growth and secondary growth is/are true? A. Primary growth originates at the root apical meristem and shoot apical meristem. B. Secondary growth originates at the cork cambium and vascular cambium. C. Primary growth adds to the length of the plant. D. Secondary growth adds to the width of the plant. E. All of the above F. C and Darrow_forward
- Which meristem is correctly matched with its location and a type of derivative cells? Answers are in the form: meristem --> location --> tissue a. procambium – between xylem and phloem – periderm b. ground meristem – root tip – primary xylem c. apical meristem – between xylem and phloem - ground d. protoderm – shoot tip – epidermis e. procambium – root tip – groundarrow_forwardDetermine the collective true-false status of the statements using the choices below. I. All plant tissue arises from the activity of meristems. Meristems are analogous to stem cells in animals.; II. Primary growth arises at lateral meristems in the tips of young shoots and roots.; III. Secondary growth arises at apical meristems in older stems and roots.; IV. Vascular cambium produces secondary xylem (wood) on its inner surface, and secondary phloem on its outer surface. Cork cambium gives rise to cork, which is part of periderm. All statements are true. Only one (1) statement is true. Only two (2) statements are true. None of the statements is true. Only three (3) statements are true.arrow_forwardMonocot root differs from dicot root in having: A. open vascular bundles B. scattered vascular bundles C. well developed pith D. radially arranged vascular bundlesarrow_forward
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