Campbell Essential Biology with Physiology (5th Edition)
5th Edition
ISBN: 9780321967671
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
Publisher: PEARSON
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Chapter 29, Problem 5SQ
Summary Introduction
Introduction: Auxins are the hormones that are produced by the apical meristem at the tip of a shoot are responsible for phototropism. The phototropism is defined as the unidirectional movement of a plant in response to light.
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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 Acid
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…
Far-red light will _________stem elongation and _______seed dormancy.
Select one:
a.
promote, suppress
b.
suppress, promote
c.
suppress, suppress
d.
promote, promote
Chapter 29 Solutions
Campbell Essential Biology with Physiology (5th Edition)
Ch. 29 - Certain fungi cause diseases in plants. There are...Ch. 29 - Which of the following activities of soil bacteria...Ch. 29 - Prob. 3SQCh. 29 - Prob. 4SQCh. 29 - Prob. 5SQCh. 29 - Prob. 6SQCh. 29 - Prob. 7SQCh. 29 - Match each of the following hormones to its...Ch. 29 - Prob. 9SQCh. 29 - In some situations, the amount of nitrogen...
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- B. 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_forwardWhich of the following statements about phototropism is/are not true? A. Red light is the most effective light wavelength for positive phototropism of plants. B. Higher auxin concentration on the lighted side causes that side to elongate more than the non illuminated side. C. Phototropins are the only effective light receptors in phototropism. D. Phototropism decreases the plant's ability to enhance photosynthetic capacity. E. All of the above F. None of the abovearrow_forwardA long day plant is given a long night, and is interrupted by a light pulse in the middle of the night. Which quality of the light pulse will most likely prevent flowering? Select one: a. UV light b. green light c. red light d. far-red lightarrow_forward
- 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 shootarrow_forwardWhich of the following statements about gravity perception is FALSE? A. Statoliths are specialized amyloplasts B. Statoliths are found in statocytes C. Gravity is sensed from the root cap acropetally through the zone of division D. Columella cells sense gravity through statolith pressure on the endoplasmic reticulum E. Auxin is the main hormone involved in gravity responsearrow_forwardWhen a dicot seed sprouts,a. a coleoptile protects the emerging shoot.b. the shoot develops more rapidly than the root.c. the shoot absorbs nutrients directly from theendosperm.d. a root cap protects the emerging root.arrow_forward
- Ethylene respond synergistically with another plant hormone ‘X’ for promoting shedding of leaves, flowers and fruits. The hormone ‘X’ can be used in agriculture for a.Inducing fruit ripening b.Increasing internode elongation c.Reducing requirement of irrigation d.Promoting floweringarrow_forwardIf you exposed seeds to a series of red light versus far-red light treatments, which of the following exposure treatments would result in seed germination? a. Red; far-red b. Far-red; red c. Red; far-red; red; far-red; red; far-red; red; far-red d. Both a and c are correct.arrow_forwarda. Monocot stem Draw or attach a photo of a monocot stem Give characteristics of a monocot stem b. Eudicot stem Draw or attach a photo of a eudicot stem. Give the characteristics of a eudicot stem 3. LEAVES a. Simple leaf Draw a or attach a photo of simple leaf Give characteristics of a simple leaf.arrow_forward
- The summer is not optimal for grape growing and you're searching in your memory for something regarding plant hormones. Explain 2 ways you could utilize plant hormones (choose from auxin, ethylene, cytokinin, gibberellin, abscisic acid, salicylic acid, jasonic acid) to compensate for a problem during growing. For each way:arrow_forwardWhich of the following statements is false?a. Auxin and gibberellin promote stem elongation.b. Cytokinin triggers growth of lateral buds.c. Abscisic acid promotes water loss and dormancy.d. Ethylene promotes fruit ripening and abscissionarrow_forwardMany different treatments were possible in the phototropism experiment. Based on your understanding of phototropism, provide predictions about the direction of plant growth for the following two scenarios, and explain your reasoning. 1. The tip of the coleoptile is removed and lanolin with auxin is applied to the dark side of the stem. 2. The tip of the coleoptile is removed and lanolin with auxin is applied to the light side of the stem.arrow_forward
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