(4)a. Which one of the following process is responsible for carrying water to the leavesof a tall plant through xylem vessels :a. Transpiration pullb. Root pressurec.b.Absorption through rootsEuronThe reason for my answer is:a. Due to a force of moving water upward through xylem vesselsb. Deficiency of water in the xylemC. Due to a upward pressure exerted by rootsd. Removal of water from the leaves and fill that deficiency

The process by which xylem vessel of root and shoot of terrestrial plants transport water and water…

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. Absorption through roots b. The reason for my answer is: Euron 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 deficiency

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. Absorption through roots b. The reason for my answer is: Euron 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 deficiency

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter36: Roots And Mineral Nutrition

Section: Chapter Questions

Problem 2TYU

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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.
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.
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 C
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
Which 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 C
Leaf tissue with sunken stomata will have ___ humidity near the stomata and ___ transpiration. Select one: a. increased, decreased b. decreased, increased c. increased, increased d. decreased, decreased
Stomata are usually opena. at night, when the plant requires a supply of oxygen.b. during the day, when the plant requires a supply of carbondioxide.c. day or night if there is excess water in the soil.d. during the day, when transpiration occurs.e. Both b and d are correct.
1. The distribution of water through the symplast occurs in the cell walls and xylem elements. C. Agree, because symplasts are near cell walls and xylem elements. B. Disagree, because water can pass anywhere. D. Disagree, because cell walls and xylem elements are conduits of the apoplast. A. Agree, because symplast are non-living conduits
1. Complete the following statement: The response of plant roots to grow in the direction of a water source is known as –a. phototropism c. gravitropismb. hydrotropism d. thigmotropism2. Complete the following statement: The response of a plant to growtoward a light source is known as –a. gravitropism c. phototropismb. hydrotropism d. thigmotropism3. Complete the following statement: The response of a plant to grow in the direction of gravity is known as –a. phototropism c. thigmotropismb. hydrotropism d. gravitropism
There is a trade-off between photosynthesis and transpiration in leaves because (a) numerous stomatal pores provide both gas exchange for photosynthesis and openings through which water vapor escapes (b) a waxy layer, the cuticle, reduces water loss (c) blue light triggers an influx of potassium ions (K+) into the guard cells (d) leaves of deciduous plants abscise as winter approaches in temperate climates (e) stomata are closed at night, although water continues to move into the roots by osmosis