BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 25, Problem 10SA
Summary Introduction
Introduction:
The function of roots in a plant is the transportation of water and minerals, storage and food (in some plants) and it anchors it in the soil. Three types of plant root systems are the taproot system, fibrous root system, and adventitious root system.
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In a(n)_____ , the primary root is typically the largest. a. lateral meristem c. fibrous root system b. adventitious root system d. taproot system
The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root cap
The primary growth of a plant is due to the action of the ________. a. lateral meristem b. vascular cambium c. apical meristem d. cork cambium
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BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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- Newly-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_forwardAll of the vascular bundles inside a typical______ are arranged in a ring. a. monocot stem c. monocot root b. eudicot stem d. eudicot rootarrow_forwardSecondary growth in stems is usually seen in ________. a. monocots b. dicots c. both monocots and dicots d. neither monocots nor dicotsarrow_forward
- Tissues Present, Primary Growth (enumerate from outermost-to innermost tissue layer; include unique tissue in the root) a. Monocot root b. Dicot rootarrow_forwardwhich of teh following is not a stem adaptaion a. peeling bark b. twining stems c. hollow stems d. green fleshy stems e. spiny stemsarrow_forwardWhich of the following plant hormones is produced in the root meristems, travel upward and in higher concentration counter the apical dominance caused by ____________? a. Gibberellins b. Ethylene c. Cytokinin d. Abscisic acidarrow_forward
- The activity of lateral meristems_____ older roots and stems. a. lengthens b. thickens c. both a and barrow_forwardWhich of the following is an example of secondary growth? a. increase in length b. increase in thickness or girth c. increase in root hairs d. increase in leaf numberarrow_forward41. all of the following have aerial roots except ____ a. orchids b. banyan trees c. ivies d. yellow waterweed 42. what is the leaf apex that ends in a short sharp point a. rounded b. acuminate c. apiculate d. acutearrow_forward
- In roots, growth of lateral branches beginsa. on the root epidermis.b. on the root hairs.c. at the ground meristem.d. at the pericycle.arrow_forwardWhich one of the following statements about root hairs is CORRECT? Select one: a. They are found in the zone of cell elongation and help the root to fix nitrogen. b.They are found in the root cap and help the root sense gravity. c.They are found in the zone of cell division of the root and help anchor the plant in the soil. d.They are found in the root apical meristem and help the root to absorb water. e.They are found in the zone of cell differentiation in the root. Which of the following best describes the route to fruit formation in flowering plants? Select one: a. 1) pollination, 2) double fertilization, 3) embryo develops, 4) ovary matures, 5) ovule matures. b. 1) pollination, 2) germination of pollen, 3) endosperm develops, 4) ovule develops. c. 1) pollination, 2) endosperm develops, 3) embryo develops, 4) ovule matures. d. 1) pollination, 2) fertilization, 3) embryo develops, 4) ovary matures. e.1) pollination, 2) fertilization, 3) germination of pollen, 4) ovule…arrow_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_forward
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