Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Chapter 28, Problem 8SQ
Summary Introduction
Introduction: Water is the most crucial factor for a plant to perform its normal cellular functions. The water is absorbed by the roots. The movement of water from the roots to the leaves can be explained using cohesion tension theory of water transport.
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Sugar transport from leaves to roots occurs by_______ . a. a pressure gradient inside sieve tubes b. different solutes at source and sink regions c. the pumping force of xylem vessels d. evaporation, tension, and cohesion
(3)
a.
b.
The characteristics of water molecules to maintain a continuous column of water
is:
a.
Root pressure
b. Transpiration
C.
d. Forces
Cohesion - Addison
The reason for my answer is because :
a. Releasing water as water vapors
b.
A pressure excreted by root through root system
C.
Releasing water from tips of leaves as liquid
d. Interaction among water molecules and adsorption of water molecules to
walls of xylem vessels
Which of the following forces make the movement of water through the xylem possible? *
A. Cohesion and adhesion
B. Transpiration
C. Root pressure
D. A and B
E. A, B, and C
Chapter 28 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 28 - Prob. 1DAACh. 28 - Prob. 2DAACh. 28 - Prob. 3DAACh. 28 - Prob. 4DAACh. 28 - Prob. 1SQCh. 28 - Decomposing organic matter in soil is called...Ch. 28 - Prob. 3SQCh. 28 - Prob. 4SQCh. 28 - Prob. 5SQCh. 28 - Prob. 6SQ
Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 8SQCh. 28 - Prob. 9SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______....Ch. 28 - Prob. 12SQCh. 28 - Prob. 13SQCh. 28 - Prob. 14SQCh. 28 - Prob. 15SQCh. 28 - Nitrogen deficiency stunts plant growth and causes...Ch. 28 - You just returned home from a three-day vacation....Ch. 28 - Prob. 3CTCh. 28 - Prob. 4CTCh. 28 - Prob. 5CT
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- . Which of the following is not a typical plant response to oxygen deficit due to flooding? * A. Aerenchyma formation B. Hyponastic growth of submerged leaves C. Stomatal closure D. Induction of anaerobic stress proteinsarrow_forwardwhich of the following concernig roost is incorrect? a. monocot roots exhibit primary grwoth and secondary growth b. dicots roots are called taproots c. dicots are called perennials because they exhibit secondary growth d. monoct roots form fibrous roots e. secondary growth causes the xylem and phloem to increase in diameter.arrow_forwardThe primary growth of a plant is due to the action of the ________. a. lateral meristem b. vascular cambium c. apical meristem d. cork cambiumarrow_forward
- The movement of water out of phloem sap and back into xylem vessels is often associated with which of the following events? active transport of water out of the phloem sap into a source а. b. passive diffusion of phloem sap into a source active transport of sugars out of the phloem sap into a sink C. hydrostatic push (pressure) forcing phloem sap into a sink Od.arrow_forwardWhich of the following statements is/are false? A. Water is actively transported from source cells into companion cells. B. The transport of sucrose into the Osieve tube elements increases water potential in the phloem. C. The transport of water from the xylem into the phloem increases the O pressure which forces the sucrose water mixture down towards the sink. D. Transpiration cause the water to O move up to the leaves through the vessel elements. E. A and B F. B and Carrow_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_forward
- Determine which of the following statements is/are true for root endodermis? A and B B and C B A and C A, B, and C C Aarrow_forwardNewly-formed root cells begin to form different cell types in the ________. a. zone of elongation b. zone of maturation c. root meristem d. zone of cell divisionarrow_forward. Which of the following is not a typical plant response when exposed to drought conditions? * A. Decreased leaf area B. Enhancement of root extension C. Stomatal opening due to decrease in ABA D. Osmotic adjustment through synthesis of compatible solutesarrow_forward
- In a(n)_____ , the primary root is typically the largest. a. lateral meristem c. fibrous root system b. adventitious root system d. taproot systemarrow_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(4) a. Which one of the following process is responsible for carrying water to the leaves of a tall plant through xylem vessels : a. Transpiration pull b. Root pressure c. b. Absorption through roots Euron The reason for my answer is: a. Due to a force of moving water upward through xylem vessels b. Deficiency of water in the xylem C. Due to a upward pressure exerted by roots d. Removal of water from the leaves and fill that deficiencyarrow_forward
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