Campbell Essential Biology with Physiology (6th Edition)
6th Edition
ISBN: 9780134711751
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 28, Problem 8SQ
Summary Introduction
Introduction: Secondary growth is the process by which the stems and roots thicken. Secondary growth involves the cell division in two meristems: vascular cambium and cork cambium. Vascular cambium gives rise to two new tissues: secondary phloem to its exterior and secondary xylem to its interior. The order from the center to outside is primary xylem, secondary xylem, vascular cambium, secondary phloem, primary phloem, and cork cambium.
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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 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.
Radical vascular bundles are those in which:
A.
xylem is surrounded by phloem
B.
phloem is surrounded by xylem
C.
xylem and phloem occur on the same radius
D.
xylem and phloem occur on the different radii
Chapter 28 Solutions
Campbell Essential Biology with Physiology (6th Edition)
Ch. 28 - While walking in the woods, you encounter an...Ch. 28 - Prob. 2SQCh. 28 - Prob. 3SQCh. 28 - Many plant species can reproduce both sexually and...Ch. 28 - Prob. 5SQCh. 28 - In the angiosperm life cycle, which of the...Ch. 28 - Prob. 7SQCh. 28 - Prob. 8SQCh. 28 - Prob. 9SQCh. 28 - Prob. 10IMT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Ground tissue in monocot stems performs the same functions as _______________ and _______________ in herbaceous eudicot stems. (a) phloem; xylem (b) cork cambium; vascular cambium (c) epidermis; periderm (d) primary xylem; secondary xylem (e) cortex; pitharrow_forwardWhich of the following statements is false? a. Auxin and gibberellin promote stem elongation b. Cytokinin promotes cell division in shoot tips c. Abscisic acid promotes water loss and dormancy d. Ethylene promotes fruit ripening and abscission.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
- What 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_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_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 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 growtharrow_forwardChoose 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_forwardWhich of the following is an example of secondary growth? a. increase in length b. increase in thickness or girth c. increase in root hairs d. increase in leaf numberarrow_forward
- Which of the following causes increase in the diameter of a stem?a. Increase in size of cells in enlargement region.b. Secondary xylem produced by the vascular cambium.c. Secondary phloem produced by the vascular cambium.d. All of the above.arrow_forwardWhat is wood? a. Primary xylem that has accumulated inside a cylinder of vascular cambium O b. Vascular cambium cells C. Secondary xylem that has accumulated inside a cylinder of vascular cambium d. Primary xylem that has accumulated outside a cylinder of vascular cambium e. Secondary xylem that has accumulated outside a cylinder of vascular cambiumarrow_forwardPlant bends towards the source of light on account of the movement of curvature known as: A. geotropism B. thigmotropism C. chemotropism D. phototropismarrow_forward
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