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 8SQ
Summary Introduction
Concept introduction: Vascular bundle is a part of transport system in vascular plants. Xylem and phloem are the two tissues present in the vascular bundles. In addition to this, supporting and protective tissues are also present in the vascular tissue. The vascular tissues in the stems are called vascular bundle and the vascular tissue in the roots are called vascular cylinder. The vascular tissue structure varies in both
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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.
Determine the collective true-false status of the statements using the choices below.
I. Sclereids are sclerenchyma cells that strengthen hard seed coats, and they also make pear flesh gritty.;
II. In older stems and roots, a complex dermal tissue called endoderm replaces the epidermis.;
III. Phloem consists of two types of cells: vessel elements and tracheids.;
IV. Vessel elements and tracheids are alive in mature tissue.
Only two (2) statements are true.
All statements are true.
None of the statements is true.
Only three (3) statements are true.
Only one (1) statement is true.
Place 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 meristem
Chapter 27 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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- Which tissue system provides a covering for the plant body? (a) ground (b) vascular (c) periderm (d) dermal (e) cortexarrow_forwardVascular tissues occur in which of the following plant organs? a. Stems b. Roots c. Leaves d. All of the Abovearrow_forwardDetermine the collective true-false status of the statements using the choices below. I. In most eudicot leaves, large veins branch into a network of minor veins.; II. A leaf’s lower surface usually has fewer stomata than the upper surface.; III. A leaf’s upper surface typically receives the most direct sunlight may have a thicker cuticle than the lower surface.; IV. Epidermal cells secrete a translucent, waxy cuticle that slows water loss. None of the statements is true. All statements are true. Only three (3) statements are true. Only one (1) statement is true. Only two (2) statements are true.arrow_forward
- Determine the collective true-false status of the statements using the choices below. I. After soil water crosses a root’s epidermis, it seeps into parenchyma that forms the root’s region of cortex until it reaches the vascular cylinder.; II. In a typical eudicot root, the vascular cylinder divides ground tissue into regions of pith and cortex.; III. By contrast, the vascular cylinder in a typical monocot root contains very little pith or none at all.; IV. Water and substances dissolved in it must pass through the endodermis of a root’s vascular cylinder before entering the xylem for distribution to the rest of the plant. Only two (2) statements are true. None of the statements is true. Only one (1) statement is true. Only three (3) statements are true. All statements are true.arrow_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_forwardVertical elongated cells of the xylem (such as tracheids or vessels) are developed from a. cortex O b. C. ray initials fusiform initialsarrow_forward
- Determine the collective true-false status of the statements using the choices below. I. The vascular bundles of monocot stems are typically distributed all throughout the ground tissue.; II. The vascular bundles inside a typical eudicot stem are arranged in a characteristic ring.; III. Bulbs are stems that branch from the main stem of the plant and grow horizontally on the ground or just under it.; IV. Allium cepa is a plant with a bulb stem. Only two (2) statements are true. Only three (3) statements are true. Only one (1) statement is true. None of the statements is true. All statements are true.arrow_forwardIn roots, growth of lateral branches beginsa. on the root epidermis.b. on the root hairs.c. at the ground meristem.d. at the pericycle.arrow_forwardA. symplast B. Apoplastarrow_forward
- Fill in the Blanks X₂ X² Ω· below. Type your answers in all of the blanks and submit A. Phloem B. Ground tissue C. Bundle caps (fibers) D. Vascular bundle 1 Match the numbered leader lines in the following micrograph of the leaf with its correct label. Enter the correct letter in each field E. Xylem 2 F. Epidermis C 50 100X 5arrow_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_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_forward
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