Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 27, Problem 4SQ
Summary Introduction
Concept introduction: The arrangement of the vascular bundles, which extends through the ground tissue of stems and leaves, differs between the
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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 27 Solutions
Biology: The Unity and Diversity of Life
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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_forwardStem regions at which leaves are attached are called ________. a. trichomes b. lenticels c. nodes d. internodesarrow_forward
- The integuments of an ovule will develop into the a. embryo. b. endosperm. c. fruit. d. seed coat.arrow_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
- Primary phloem develops from: A. lateral meristem B. protoderm C. extrastelar cambium D. provascular tissuearrow_forwardWhich 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_forwardWhich of the following is/are false regarding the phloem? A. It transports starch from the leaves to the stem. B. It transports sucrose from the leaves to the roots. C. It is located lateral to the xylem in tree stems. D. Unlike the xylem, majority of the cells are living. E. A and D F. B and Carrow_forward
- 31. what meristematic area produces parenchyma cells of the cortex a. protoderm b. pith c. ground meristem d. procambium 32. this meristematic area produces the primary xylem and primary phloem a. procambium b. ground meristem c. protoderm d. pitharrow_forwardWhich of the following is false about the phytochrome protein?a. There are two convertible forms.b. It primarly absorbes blue wavelengths of light.c. It is involved in seed germination.d. It is involved in plant sensing of spacing.arrow_forward
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