Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 28, Problem 12SQ
Summary Introduction
Introduction: Guard cells are the cells that are present above and below surfaces of leaves. It controls the transfer of gaseous and water molecules during the transpiration. Guard cell contains a small opening structure called as stomata through which the molecules escape.
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Roots and shoots lengthen through activity at______ . a. apical meristems c. vascular cambium b. lateral meristems d. cork cambium
The activity of lateral meristems_____ older roots and stems. a. lengthens b. thickens c. both a and b
With stomata closed, a waterproof cuticle______ . a. minimizes water loss through plant surfaces b. permits gas exchange between the plant and the air c. both a and b
Chapter 28 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 28 - Prob. 1DAACh. 28 - Prob. 2DAACh. 28 - Prob. 3DAACh. 28 - Prob. 4DAACh. 28 - Prob. 1SQCh. 28 - Decomposing organic matter in soil is called...Ch. 28 - Prob. 3SQCh. 28 - Prob. 4SQCh. 28 - Prob. 5SQCh. 28 - Prob. 6SQ
Ch. 28 - Water evaporation from plant parts is called...Ch. 28 - Prob. 8SQCh. 28 - Prob. 9SQCh. 28 - Sieve tubes are part of ______. a. cortex b....Ch. 28 - With stomata closed, a waterproof cuticle ______....Ch. 28 - Prob. 12SQCh. 28 - Prob. 13SQCh. 28 - Prob. 14SQCh. 28 - Prob. 15SQCh. 28 - Nitrogen deficiency stunts plant growth and causes...Ch. 28 - You just returned home from a three-day vacation....Ch. 28 - Prob. 3CTCh. 28 - Prob. 4CTCh. 28 - Prob. 5CT
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- The conducting tubes in a vascular cylinder are______ . a. endodermis d. xylem only b. pericycle e. xylem and phloem c. root cortex f. companion cellsarrow_forwardNewly-formed root cells begin to form different cell types in the ________. a. zone of elongation b. zone of maturation c. root meristem d. zone of cell divisionarrow_forwardThe primary growth of a plant is due to the action of the ________. a. lateral meristem b. vascular cambium c. apical meristem d. cork cambiumarrow_forward
- Secondary growth in stems is usually seen in ________. a. monocots b. dicots c. both monocots and dicots d. neither monocots nor dicotsarrow_forwardSugar transport from leaves to roots occurs by_______ . a. a pressure gradient inside sieve tubes b. different solutes at source and sink regions c. the pumping force of xylem vessels d. evaporation, tension, and cohesionarrow_forwardThe seed coat forms from the______ . a. integuments c. endosperm b. coleoptile d. sepalsarrow_forward
- Tracheids are part of ______. a. cortex c. phloem b. mesophyll d. xylemarrow_forwardMost water moves from soil to vascular cylinder_____ . a. through root hairs c. through root cell walls b. between root cells d. in xylemarrow_forwardIn phloem, organic compounds flow through ______ .a. collenchyma cells c. vesselsb. sieve elements d. tracheidsarrow_forward
- All of the vascular bundles inside a typical______ are arranged in a ring. a. monocot stem c. monocot root b. eudicot stem d. eudicot rootarrow_forward• Stomata are made of specialized cells called _____ which surrounds a tiny pore/opening. A. Stoma B. Dermal cells C. Guard cells D. Diffusion channels • What is the main function of the phloem? A. To provide structural support to a plant. B. To transport water to different parts of a plant. C. To make energy for the plant via photosynthesis. D. To transport nutrients (mainly sucrose) to different parts of a plant. • What is the correct path through the circulatory system which describes the passage of blood originating from left leg? A. Vena cava- left atrium- right atrium- lungs- left ventricle- right ventricle-aorta B. Vena cava- right atrium- left atrium- lungs- right ventricle- left ventricle-aorta C. Vena cava- left atrium- left ventricle- lungs- right atrium- right ventricle-aorta D. Vena cava- right atrium- right ventricle- lungs- left atrium- left ventricle-aortaarrow_forward. Which of the following is not a typical plant response to oxygen deficit due to flooding? * A. Aerenchyma formation B. Hyponastic growth of submerged leaves C. Stomatal closure D. Induction of anaerobic stress proteinsarrow_forward
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