EBK BIOLOGY
5th Edition
ISBN: 8220101337627
Author: Maier
Publisher: PEARSON
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Chapter 25, Problem 6LTB
Summary Introduction
Introduction:
Plants have evolved several strategies for reducing transpiration. These strategies fit into two general groups: (1) modifications to photosynthesis that make carbon dioxide acquisition more efficient, and (2) modifications to leaf shape and stomata placement that increase water conservation.
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- Figure 30.34 Which of the following statements is false? Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the xylem. Transpiration draws water from the leaf. Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the phloem. Transpiration draws water from the leaf. Water potential decreases from the roots to the top of the plant. Water enters the plants through root hairs and exits through stoma.arrow_forwardGround tissue in monocot stems performs the same functions as _______________ and _______________ in herbaceous eudicot stems. (a) phloem; xylem (b) cork cambium; vascular cambium (c) epidermis; periderm (d) primary xylem; secondary xylem (e) cortex; pitharrow_forwardStomata: Where on plants can Stomata occur? ÷ Central cylinder ÷ Leaf upper side. = Leaf lower side ÷ Unifacial leaves ÷ Root epidermis ÷ Root bark ÷ Stem epidermis ÷ Stem bark What is the function of stomata? ÷ How are the cells called that line the the stoma and determine its opening? 3. 4 What phyical factor determines the functions and dynamics of stomata? cytoplasm} PICK ONE OPTION ONLY: 1.) Yes OR No Sugar content in 2.) Conduction of water (with xylem) Conduction of sugars (with phloem) Gas exchange and regulation of evaporation Photosynthesis light reaction Photosynthesis dark reaction 3.) Bundle sheeth Chlorenchyma Guard cells Palisade parenchyma 4.) Cytoskeleton Vacuole water pressure Cell membrane electropotential Potassium concentration in the Vacuolearrow_forward
- Stomata are openings on plants that allow for gas exchange. True Falsearrow_forwardYou could prevent most of a plant's secondary growth by: Destroying the phloem portion of the vascular cambium It would require the combination of at least two of these Removing the apical or basal meristems Destroving the cork cambium Destroying the xylem portion of the vascular cambiumarrow_forwardWhich plant water movement process is dependent on transpiration? root pressure capillary action cohesion-tension all of the abovearrow_forward
- Which event would occur when guard cells are filled with water? gases cannot diffuse into the plant opening of stomata diffusion of sugars into the sieve tube members closing of stomata gases cannot diffuse out of the plantarrow_forwardDescribe the unique features of the following specialized roots in plants. What benefit do plants derive from this type of specialized roots: Pneumatophores Velamen Haustoriaarrow_forwardWhich of the following is not correct concerning plant xylem? The fluid (sap) in the xylem transports sperm and eggs throughout the plant. The fluid (sap) in the xylem transports water and ions. The fluid (sap) of the xylem moves from the roots toward the leaves of the plant. The xylem is composed of tubular cells that run throughout the stems and leaves of vascular plants.arrow_forward
- Which of the following processes enables a plant to extract nutrients from the soil? O Nutrient anions (sulfate, phosphate, nitrate, etc) are replaced by Cl on soil particles. Released nutrients become available in the soil water. Anions exchange places with cations during anion exchange, which confuses roots and turns HATS into LATS, after which the endodermis synthesizes a caspian endothelium O Cation exchange facilitates the breaking of covalent bonds between nutrients and soil particles O Protons replace nutrient cations on soil particlesarrow_forwardFrom environmental pressures to obtain and retain water, many plants developed to transport nutrients and water. Origid structures like branches and trunks seeds nonvascular tissues vascular tissues like xylem and phloemarrow_forwardThe mesophyll of the leaf -is sometimes found in roots or stems. -is mostly along the edges of the leaf. -is located between the leaf veins. -is exposed to direct sunlight. -is made up of palisade and spongy parenchyma cells.arrow_forward
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