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 10SQ
Summary Introduction
Concept introduction: The eudicot taproot along with its lateral root branching constitutes the taproot system. In some eudicots, the taproots are eventually replaced by the adventitious roots. Therefore, a taproot system can also develop into a fibrous root system. Carrot is a prime example of a taproot.
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In a(n)_____ , the primary root is typically the largest. a. lateral meristem c. fibrous root system b. adventitious root system d. taproot system
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Chapter 27 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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- 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_forwardWhich 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_forwardRoot hairs____ . a. conduct water from cortex to aboveground shoots b. increase the root’s surface area for absorption c. anchor the plant in soilarrow_forward
- Which 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_forwardRoots differ from stems because roots lack a. vessel elements. b. nodes. c. an epidermis. d. ground tissue.arrow_forwardThis picture is an example of? a.) tap roots b.) fibrous roots c.) adventitious roots d.) prop rootsarrow_forward
- In 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_forwardLooking at the anatomy of a tree trunk, the part that greatly contribute to the welfare of humans specially in construction is _. a. heartwood b. secondary xylem c. secondary phloem d. A and Barrow_forwardThe ability of a sunflower plant to become taller is directly due to itsa. apical meristem. c. mesophyll cells.b. lateral meristems. d. petiole.arrow_forward
- Which 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_forwardWhen absorption of water by the roots fails to keep up with the rate of transpiration, gain in turgor occurs, and the stomata close. A. Agree, because the transpiration occurs faster than root absorption. D. Disagree, because the condition should be when root absorption is able to keep up with transpiration, then stomates close. B. Disagree, because under this condition, the turgor pressure decreases and the stomates close. C. Agree, because increase in turgor pressure under this condition, closes the stomates.arrow_forward
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