CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
18th Edition
ISBN: 9781323753149
Author: SIMON
Publisher: PEARSON C
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Chapter 33, Problem 6TYK
Summary Introduction
Introduction:
The plant hormones are chemical messengers that regulate the growth and development of plants.
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Students have asked these similar questions
Plants hormone that induces cell division is:
A.
auxins
B.
gibberellins
C.
kinins
D.
domins
Auxin causes the bending of shoot toward light by?A. Causing cells to shrink on the dark side of the shootB. Causing cells to shrink on the lighted side of the shootC. Inhibiting growth on the dark side of the shootD. Stimulating growth on the lighted side of the shootE. Stimulating growth on the dark side of the shoot
The hormone that helps plants respond to drought is (A) auxin. (B) abscisic acid. (C) cytokinin. (D) ethylene.
Chapter 33 Solutions
CAMPBELL BIOLOGY:CONCEPTS... >CUSTOM<
Ch. 33 - Test your knowledge of the five major classes of...Ch. 33 - Prob. 2TYKCh. 33 - Prob. 3TYKCh. 33 - In autumn, the amount of _____ increases and the...Ch. 33 - Prob. 5TYKCh. 33 - Prob. 6TYKCh. 33 - Which of the following is a type of defense used...Ch. 33 - Prob. 8TYKCh. 33 - Prob. 9TYKCh. 33 - Prob. 10TYK
Ch. 33 - Prob. 11TYKCh. 33 - Prob. 12TYKCh. 33 - Prob. 13TYKCh. 33 - Prob. 14TYKCh. 33 - A certain short-day plant flowers only when days...Ch. 33 - If apples are to be stored for long periods, it is...Ch. 33 - Prob. 17TYKCh. 33 - A plant nursery manager tells the new night...Ch. 33 - A plant biologist observed a peculiar pattern when...Ch. 33 - Imagine the following scenario: A plant biologist...Ch. 33 - Prob. 21TYK
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- The stress hormone that helps plants respond to drought is (a) auxin (b) gibberellin (c) cytokinin (d) ethylene (e) abscisic acidarrow_forwardRoot cells exhibit positive gravitropism with the help ofa. auxin in the root cells.b. amyloplasts in root cells.c. exposure to sunlight.d. a nearby substrate.arrow_forwardElevated levels of this hormone promote seed dormancy? Select one: a. gibberellin b. abscisic acid c. ethylene d. salicyclic acid e. auxinarrow_forward
- Which combination of hormones is best for promotingthe formation of lateral roots from pericycle?a. A high auxin level and low cytokinin levelb. A low auxin level and high cytokinin levelc. A high level of auxin and cytokininarrow_forwardWhich of the following may stimulate the growth of the roots in plant cuttings? Select one: a. The use of auxins. b. A decrease in soil minerals. c. A decrease in enzymes. d. The use of endocrine secretions.arrow_forwardWhich herbal medicine is used most often to treat stomach disorders? A)Valerian Root. B) Grapefruit Seed Extract. C)Echinacea. D) Peppermint.arrow_forward
- It is the hormone which is responsible for stem elongation. * a. Gibberellins b. Ethylene c. Cytokinin d. Abscisic acidarrow_forward. Explain the role auxin would have on sunflower plant growth and the steps of growth.arrow_forwardWhich of the given plant hormone will be more abundant in dormant buds and seeds? a.Gibberellin b.ABA c.Ethylene d.Auxinarrow_forward
- In plants, why is it important to be familiar with the symptoms and signs of a particular disease?arrow_forwardA drooping plant can be made upright by watering theground around it. Explain.arrow_forward1) You exposed a plant to a light that shines on the right side of a plant. Choose the statement that best describes the plant growth towards the light. A. Light destroys auxin, and thus the shaded side grows faster. B. Auxin moves from the lighted side to the shaded side where it stimulates growth. C. Auxin moves from the shaded side to the lighted where it stimulates growth. D. Auxin moves from the shaded side to the lighted side where it inhibits growth. 2)Select a plant hormone that responsible in inhibiting protein breakdown and stimulating RNA synthesis. A. Abscisic acid B. Ethylene C. Cytokinins D. Auxins 3)Select the following organs that produces pollen grains. A. Anther B. Style C. Filament D. Ovule 4)Identify the best description of oviparity. A. Organism that gives birth to offsprings. B. Organism that forms the…arrow_forward
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