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 6SQ
Summary Introduction
Introduction: Symbiotic relationship of plant with nitrogen-fixing bacteria forms root nodules on the roots. The bacteria help to convert atmospheric nitrogen into a readily utilizable form for plants. This process is called as nitrogen fixation. Fixed nitrogen acts as a nitrogen fertilizer that promotes plant growth.
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The nutrition of some plants is enhanced by a mutually beneficial interaction between a root and soil bacteria. The interaction triggers formation of a_____ a. root nodule c. root hair b. mycorrhiza d. hypha
The ________ forces selective uptake of minerals in the root. a. pericycle b. epidermis c. endodermis d. root cap
Through mycorrhization, a plant obtains important nutrients such as ________. a. phosphorus, zinc, and copper b. phosphorus, zinc, and calcium c. nickel, calcium, and zinc d. all of the above
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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- Root nodules contain ________ , which can _____________ .a. Azotobacter, fix N2b. Nitrosomonas, nitrify NH3-c. rhizobia, fix N2d. Bacillus, denitrify NO3_arrow_forwardWhich of the following plant structures is necessary for transpiration to occur? a. Sieve tubes c. Fruits b. Leaves d. Rootsarrow_forwardSome plants are recognized by fungal pathogens on the basis of their stomatal pores. Which of the following would provide these plants immunity from fungal infection? a. Removing all of the stomata from the plant b. Changing the spacing of stomatal pores in these plants c. Reinforcing the cell wall in the guard cells of stomatal pores d. Increasing the number of trichomes on the surfacesarrow_forward
- Following infection with a pathogen, one response is to spread an alarm signal to increase defenses and antimicrobial compounds throughout the plant body and the network of plants connected by mycorrhizae. Which chemical spread this alarm signal? Select one: a. Salicylic acid b. Jasmonic acid c. Indole acetic acid d. Gibberellic acid e. Abscisic acidarrow_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_forwardThe epidermis___________. a. Is made of lignified cells that created a protective layer over the surface of a plant b. Expands throughout secondary growth c. Generates all trichomes d. Prevents gas and water exchange with the environmentarrow_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_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_forwardThis element is essential but is not acquired via the roots. Select one: a. selenium b. zinc c. arsenic d. sulfur e. carbonarrow_forward
- Mark the incorrect statement a.Plants show open form of growth b.Plants have self perpetuating cells throughout the life c.Inplants meristems are present only at root and shoot tips d.Cells found next to meristematic zone also show growtharrow_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_forwardSoil pH affects availability of nutrients for root absorption. The following statements are true except* a. Low pH results in an increase in Aluminum toxicity. b. Low pH results to unavailability of major nutrient elements. c. Toxic metals are more available in acidic soil. d. Low pH results in slow activity of soil-inhabiting microorganisms.arrow_forward
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