Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 44, Problem 5MC
Summary Introduction
Introduction:
The process of loss of water through the stomata pores present on aerial parts of shoots is transpiration. The roots of the plant absorb a large volume of water, but a portion is used for plant growth and its
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When 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.
Which of the following plant structures is necessary for transpiration to occur? a. Sieve tubes c. Fruits b. Leaves d. Roots
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 44 Solutions
Biology
Ch. 44.1 - Prob. 1CYLCh. 44.1 - distinguish between monocots and dicots?Ch. 44.2 - Prob. 1HYEWCh. 44.2 - explain the difference between meristem cells and...Ch. 44.2 - Prob. 2CYLCh. 44.3 - Prob. 1CYLCh. 44.3 - Prob. 2CYLCh. 44.3 - Prob. 3CYLCh. 44.4 - Prob. 1CSCCh. 44.4 - Prob. 1TC
Ch. 44.4 - diagram an argosperm leaf and describe the...Ch. 44.4 - describe some specialized leaf adaptations and...Ch. 44.5 - Prob. 1TCCh. 44.5 - Prob. 1CYLCh. 44.5 - Prob. 2CYLCh. 44.5 - Prob. 3CYLCh. 44.6 - Prob. 1CYLCh. 44.6 - Prob. 2CYLCh. 44.7 - Prob. 1CSCCh. 44.7 - Prob. 1CYLCh. 44.7 - Prob. 2CYLCh. 44.7 - Prob. 3CYLCh. 44.7 - Prob. 4CYLCh. 44.8 - Prob. 1TCCh. 44.8 - Prob. 2TCCh. 44.8 - Prob. 1CYLCh. 44.8 - Prob. 2CYLCh. 44.8 - Prob. 3CYLCh. 44.9 - Prob. 1TCCh. 44.9 - Prob. 1CYLCh. 44.9 - Prob. 1CTCh. 44 - Taproots a. are characteristic of dicots. b. act...Ch. 44 - Prob. 2MCCh. 44 - Bark a. is a type of epidermal tissue. b. includes...Ch. 44 - Prob. 4MCCh. 44 - Prob. 5MCCh. 44 - Prob. 6MCCh. 44 - Prob. 7MCCh. 44 - Prob. 8MCCh. 44 - Prob. 1FIBCh. 44 - Prob. 2FIBCh. 44 - Prob. 3FIBCh. 44 - Prob. 4FIBCh. 44 - Prob. 5FIBCh. 44 - Prob. 1RQCh. 44 - Prob. 2RQCh. 44 - Prob. 3RQCh. 44 - Prob. 4RQCh. 44 - Prob. 5RQCh. 44 - Prob. 6RQCh. 44 - Prob. 7RQCh. 44 - Prob. 8RQCh. 44 - Prob. 9RQCh. 44 - Prob. 10RQCh. 44 - Describe how water and minerals are absorbed by a...Ch. 44 - Prob. 12RQCh. 44 - Prob. 13RQCh. 44 - Prob. 14RQCh. 44 - Prob. 1ACCh. 44 - Prob. 2ACCh. 44 - Prob. 3AC
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- Which 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_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(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
- According to the pressure-flow model, sugar is actively transported into phloem anda. enters xylem, where it is moved toward the leaves due to transpiration.b. creates pressure to move water toward the roots.c. is transported out of the leaves through stomata.d. water follows by osmosis, providing pressure that moves the water and sugar through the phloem.arrow_forwardWater transport from roots to leaves occurs by a. evaporation, tension, and cohesion b. a pressure gradient inside sieve tubes c. the pumping force of xylem vessels d. different solutes at source and sink regionsarrow_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_forward
- The formation of an air bubble in the xylem is called a. agitation. b. cohesion. c. adhesion. d. cavitation.arrow_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 true for the function of xylem and phloem? * A. Xylem transports water from leaves to roots; phloem transports sugar from roots to leaves B. Xylem transports sugar from roots to leaves; phloem transports water from leaves to roots C. Xylem transports water from roots to leaves; phloem transports sugar from leaves to roots D. Xylem transports sugar from leaves to roots; phloem transports water from roots to leavesarrow_forward
- Root pressure moves water up the stem: O a. Pumps are found along the length of the xylem vessels. O b. Water is pumped into the roots by active transport. O C. Using osmotic pressure to suck water into the roots. Od. Using surface tension forces within the root. O e. Using transpiration to suck water up.arrow_forwardArrange the following four events in an order that explains the mass flow of materials in the phloem. 1)Water diffuses into the sieve tubes.2)Leaf cells produce sugar by photosynthesis.3)Sucrose is actively transported into sieve tubes.4)Sugar moves down the stem due to positive pressure. A. 1, 2, 3, 4 B. 2, 3, 1, 4 C. 4, 2, 1, 3 D. 2, 4, 1, 3arrow_forwardGuttation in plants is due to condensation of water vapor and occurs through the hydathodes. D. Disagree, because guttation occurs through the stomates. A. Agree, because guttation occurs through the hydathodes. B. Disagree, because it is root pressure that causes guttation. C. Agree, because during night time, water condenses due to drop in temperature.arrow_forward
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