CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
Chapter 33, Problem 4TYK
In autumn, the amount of _____ increases and the amount of _____ decreases in fruits and leaf stalks, causing a plant to drop fruit and leaves.
a. ethylene Á auxin
b. gibberellin Á abscisic acid
c. cytokinin Á abscisic acid
d. auxin Á ethylene
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Students have asked these similar questions
Which of the given plant hormone will be more abundant in dormant buds and seeds?
a.Gibberellin
b.ABA
c.Ethylene
d.Auxin
Identify the wrong match
a.Senescence —Both auxin and ABA promote it
b.Apical dominance — Auxin induces and Cytokinin counteracts
c.Dormancy — Both ethylene and GA break it
d.Callus differentiation — Auxin and cytokinins
Which of the following is considered essential for germination?
Select one:
a. Abscisin
b. Cytokinin
c. Gibberellins
d. Auxin
Chapter 33 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
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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- 1) 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_forwardThis plant hormone is a hydrocarbon gaseous hormone, which is best known for its role in fruit ripening. A. Auxin B. Gibberellins O C. Strigolactone D. Abscisic acid O E. Ethylenearrow_forward______is the hormone in most rooting compounds. a. Gibberellin c. Cytokinin b. Auxin d. ABAarrow_forward
- The apical bud of a plant produces which inhibits lateral bud growth through the process known as apical dominances. Select one: O a. Auxin O b. Cytokinin O c. Ethylene O d. Gibberellin O e. Abscisic Acidarrow_forwardB. Identify the plant responses to inducing hormones. Choose your answers in the box and write the correct answers on the blank. G. FLORIGEN A. AUXIN D. ABSCISIC ACID B. GIBBERELLINS E. ETHYLYNE H. METHYL SALICYLATE C. CYTOKININS F. SYSTEMIN _1. Seed germination _2. Phototropism _3. Maintains seed dormancy _4. Shoot elongation _5. Leaf drop _6. Stimulates lateral bud _7. Influence flowering 8. Gravitropism _9. Closes stomata _10. Prevents lateral bud sprout (apical dominance) _11. Fruit development 12. Fruit ripening 13. Gaseous hormonearrow_forwardChoose the best answer for following question It causes leaf abscission. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokininarrow_forward
- You are trying to get some seeds started by soaking them in water. A few of the seeds are not taking in water or germinating- you suspect that their seed coat has excessive amounts of the hormone, that is keeping them from germinating. Select one: O A. В. C. D. O E. O F. G. O H. OI. J. O K. OL. O M. N. O. O P. R.arrow_forwardChoose the best answer for following question Stomata close when a plant is water-stressed. a. auxin d. ethyleneb. gibberellin e. abscisic acidc. cytokininarrow_forwardAuxin 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 shootarrow_forward
- 1. Some plants grow mostly upward and no side branches. This condition is known as A. Apical dominance B. Dwarfism C. Leaf drop D. Nastic movement 2. Which hormones is responsible for the case stated in number 1? A. Auxin B. Ethylene C. Gibberellins D. Cytokininarrow_forward1. This hormone’s activity counters many of the growth-promoting effects of other hormones. A. Gibberellins B. Ethylene C. Abscisic Acid D. Auxin 2. these stimulate shoot elongation, seed germination, and fruit and flower maturation. A. Gibberellins B. Ethylene C. Abscisic Acid D. Auxin 3. It is the ability of plants to track time through the use of light A. Photoperiodism B. Phototropism C. Photomorphogenesis D. Phototropinarrow_forwardThis class of plant hormones are exuded by the plant roots. On the one hand, these plant hormones stimulate fungal metabolism and branching. On the other hand, they also trigger seed germination of parasitic plants. O A. Auxin B. Gibberellins O C. Strigolactone D. Abscisic acid O E. Ethylenearrow_forward
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