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.

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.

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

Chapter35: Stem Structure And Transport

Section: Chapter Questions

Problem 7TYU: Water potential is (a) the formation of a proton gradient across a cell membrane (b) the transport...

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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 statements is CORRECT?Aquaporins:a. play an active role in the regulation of water movement in the xylem during mild droughtb. are proteins embedded in the cell walls that transport waterc. play an active role in the regulation of water movement outside the xylem during mild droughtd. are proteins embedded in the mesophyll and bundle sheath apoplast that transport water
Which of the following is the process of water movement through a plant and its evaporation from leaves? Group of answer choices Transpiration Respiration Evaporation Photosynthesis Perspiration
Salinity or salt stress induces the following plant responses except: * A. Induction of osmoregulatory compounds B. Compartmentalization of salt ions in the cytoplasm C. Compartmentalization of salt ions in the central vacuole D. Exclusion of salt ions
Which of the following is used by plants to reduce heat input in a warm environment? Group of answer choices A. thermogenesis B. migration C. hibernation D. increased oxygen intake E. leaf hairs
Plants obtain water and nutrients from the soil.a. What structure in a plant uses water in a metabolic reaction? What is this metabolic process called? b. Describe in detail two mechanisms by which water can move from the roots to this location c. If a plant was exposed to saltwater, how would it affect the above processes? Be specific, including a discussion of water potential d. How do plants absorb minerals from the soil? Does this process require energy?
Stems and roots, respectively, exhibit a. a positive phototropic response and no phototropic response. b. a negative phototropic response and no phototropic response. c. no phototropic response and a positive phototropic response. d. no phototropic response and a negative phototropic response.
Which the following statement is FALSE:?a. Relative water content is not a very sensitive index because leaves can show strong responses to <2% change in RWCb. Relative water content is not a very sensitive index because it gives no information about the forces for water movementc. Relative water content is equal the ratio of the mass of water in a given leaf over the mass of water when that leaf was fully saturatedd. Relative water content is equal the ratio of the mass of water in a dry leaf over the mass of water when that leaf was fully saturated
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.
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 C
In the fall, the amount of sunlight that plants receive decreases. Which of the following might happen? a. decrease in production of CO₂ b. increase in production of CO₂ c. decrease in sugar production d. increase in sugar production
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 water