Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 39, Problem 3TY
Summary Introduction
Introduction: There are many ways by which the plants prevent water loss. The development of mechanisms and structure is the method to cope up with the evaporative loss of water. The excessive water loss from the plant body can result in the stunted growth.
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Which of the following would allow a plant to tolerate a cold environment?
Group of answer choices
A. producing small, smooth leaves with a small boundary layer
B. generating sparsely placed leaf hairs to reflect solar radiation
C. increasing the proportion of unsaturated fatty acids in cell membranes
D. increasing evapotranspiration
E. increasing the proportion of leaf mass relative to total body mass
Which of the following is true of the water potential of a healthy living plant cell? ( SELECT ALL THAT APPLY) A. It has a higher solute potential (lower solute concentration) than the extracellular environment B. It is under negative pressure C. It has a lower solute potential (high solute concentration) than the extracellular enviroment D. It is under positive pressure E. It has a pressure potential equal to zero
What is the tradeoff to plants when they evapotranspirate in a hot environment?
Group of answer choices
A. They gain water but also gain heat from the environment.
B. They gain water but lose heat to the environment.
C. They gain ions but lose water to the soil.
D. They lose heat but also lose water to the environment.
E. They lose water but gain heat from the environment.
Chapter 39 Solutions
Biology
Ch. 39.2 - Describe the direction of water movement when a...Ch. 39.3 - Prob. 1CSCh. 39.4 - Prob. 1CSCh. 39.4 - Prob. 1CCCh. 39.4 - Prob. 2CCCh. 39.4 - Prob. 3CCCh. 39.4 - Prob. 4CCCh. 39.4 - Prob. 5CCCh. 39.4 - Prob. 1EQCh. 39.4 - Prob. 2EQ
Ch. 39.4 - Prob. 6CCCh. 39.4 - Core Skill: Connections Look back to Figure 36.16,...Ch. 39 - Prob. 1TYCh. 39 - Prob. 2TYCh. 39 - Prob. 3TYCh. 39 - Prob. 4TYCh. 39 - Prob. 5TYCh. 39 - Which of the following statements best explains...Ch. 39 - What features of water explain how it can be drawn...Ch. 39 - Prob. 8TYCh. 39 - Prob. 9TYCh. 39 - Prob. 10TYCh. 39 - Prob. 1CQCh. 39 - Prob. 2CQCh. 39 - Prob. 3CQCh. 39 - Prob. 1COQCh. 39 - Prob. 2COQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which statement(s) is/are false? * A. A water potential lower than that of the soil draws water into the roots and a water potential lower than that of the stem draws water into the leaf. B. A water potential lower than that of the soil draws water into the roots and a water potential higher than that of the stem draws water into the leaf. C. Water potential and solute concentration increases from the roots to the top of the plant. D. Water enters the plant through the root hairs and exits through the lenticels and stomates. E. A and D F. B and Carrow_forwardWhat are ways in which plants accomplish tissue-level transport?a. transmembrane transport of solutes from one cell to anotherb. symplastic transport of materials from one cell to another viaplasmodesmatac. apoplastic transport of water and dissolved solutes through cell wallsand intercellular spacesd. All of the above are used for tissue-level transport.e. None of the above are used for tissue-level transport.arrow_forwardWhich of the following statements is inaccurate?a. Water that evaporates from leaves is ultimately replaced by water diffusing from the xylem.b. Xylem transports water up the plant while phloem transports carbohydrates throughout the plant.c. Water movement in the xylem is largely due to the pressure-flow hypothesis.d. Water movement across membranes is often due to differences in solute concentrations.arrow_forward
- Which of the following would require active transport? Select one: O a. Stomata opening b. Potassium moving through an ion channel O c. Water moving through aquaporins O d. Water diffusing into xylem from the root e. The tension in the leaf caused by evaporating waterarrow_forwardWater movement through the xylem needs less pressure than movement through living cells. A. Agree, because water moves in xylem through diffusion. B. Disagree, because water needs turgor pressure in order to diffuse. D. Disagree, beacuse both need equal pressure for materials to pass through xylem and living cells like sievetubes. C. Agree, because water is non-living while photosynthates are living and must pass through living cells that require pressure.arrow_forwardSucrose enters the phloem tubes from mesophyll cells in the leaf by: O a. Proton pumps (hydrogen ions are pumped out as sucrose is pumped in). O b. Sucrose pumps. Oc. Co-transport with hydrogen ions. O d. Diffusion down a gradient. O e Osmosis (water carrying the sucrose is sucked in).arrow_forward
- When a cell from flaccid plant tissue is placed into a hypotonic solution: a. The cytoplasm will shrink and plasmolysis will occur b. Net water movement will be into the plant cell c. Lysosomes will remove the excess water, protecting the cell d. No net water movement will occur e. The plant cell will break open (lyse)arrow_forwardDescribe the pathway water would follow from the soil to the stem of a plant. Describe the water's movement through the cells, tissues, and systems of the plant body.arrow_forwardThe process of bulk flow transports fluids in a plant. What are the two main bulk flow processes? * A. Movement of water up the xylem and movement of solutes up and down the phloem B. Movement of water up the phloem and movement of solutes up and down the xylem C. Movement of water up and down the xylem and movement of solutes up the phloem D. Movement of solutes up the xylem and movement of water up and down the phloem E. Movement of solutes down the phloem and movement of water up and down the xylem F. Movement of solutes down the phloem and movement of water up the xylemarrow_forward
- Choose the statements that apply to transpiration in the cohesion-tension theory. (Check all that apply) Check All That Apply The H-bonds in water allow for cohesion. Water pressure builds in roots to drive water up the plant. Exposed water in leaves evaporates into drier air. Water forms a continuous stream from leaf into the root. In addition to water, heat is lost cooling the plant during transpiration.arrow_forwardWhat is true about osmosis? Select one: a. it is passive movement of water across a membrane b. it is an active process c. it must require special proteins d. it is the driving force for water movement from the root to the shoot e. it involves movement of water toward its highest concentrationarrow_forward(b) Water absorbed by plant roots travels by different pathways from the root hairs to the xylem. Figure 5 shows these pathways in a plant root. cell A xylem vessel root hair key pathway B Tissue D Tissue E * pathway C Figure 5: Schematic representation of water movement through the tissues of a plant root (PLEASE TURN OVER) Page 6 CONT'D from Page 5 i. Explain how water moves from the root hair to the xylem vessels in the root. ii. Identify cellA, pathway B, pathway C, tissue D and tissue E in Figure 5.arrow_forward
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