Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Question

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Answer 1

Question

Chapter 37, Problem 1TYK

Summary Introduction

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Expert Solution & Answer

Answer to Problem 1TYK

Correct answer:

Phototropism is the growth of an organism toward a light source (positive phototropism) or away from a light source (negative phototropism). In phototropism, the cells located on the shaded side of a stem elongate more than cells on the illuminated side of a stem.

Explanation of Solution

Explanation/Justification for the correct answer:

Option (c) is given that cells on the shaded side of a stem elongate more than the cells on the illuminated side of a stem during phototropism. The plant tip cells when exposed to light source sense light and release a chemical known as auxin. This results in the process of phototropism. It leads to the elongation of the cells that are far from the light. The shoot bends toward light and cells present in the shaded region of the stem elongate more. Hence, Option (c) is correct.

Explanation for incorrect answers:

Option (a) is given that cells on the illuminated side of a stem elongate more than the cells on the shaded side in phototropism. The cells present on the illuminated side, that is, those cells that are receiving the light, do not extend more. Actually, the cells that are present in the shaded region and are far from the light elongate more than those on the illuminated side due to the chemical auxin released by the cells, which causes phototropism. So, it is a wrong answer.

Option (b) is given that phototropism is triggered by red/far-red light. The bending of the plant occurs only toward the light that includes blue wavelength. Plants have a phototropic response when the blue wavelength is available, which falls in the visible range. Therefore, it is not necessary that phototropism is triggered due to the red or far-red light. So, it is a wrong answer.

Option (d) is given that phototropism is triggered by phytochrome. Phototropism is triggered by a chemical named auxin. This chemical is produced by the cells that are present in the shaded region of the stem, thereby inducing phototropism. So, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Phototropism refers to the orientation of the plant in response to the light. Cells that are present on the shaded side of the stem extend more than cells that are present on the illuminated side of the stem.

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Answer 2

Question

Chapter 37, Problem 1TYK

Summary Introduction

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Expert Solution & Answer

Answer to Problem 1TYK

Correct answer:

Phototropism is the growth of an organism toward a light source (positive phototropism) or away from a light source (negative phototropism). In phototropism, the cells located on the shaded side of a stem elongate more than cells on the illuminated side of a stem.

Explanation of Solution

Explanation/Justification for the correct answer:

Option (c) is given that cells on the shaded side of a stem elongate more than the cells on the illuminated side of a stem during phototropism. The plant tip cells when exposed to light source sense light and release a chemical known as auxin. This results in the process of phototropism. It leads to the elongation of the cells that are far from the light. The shoot bends toward light and cells present in the shaded region of the stem elongate more. Hence, Option (c) is correct.

Explanation for incorrect answers:

Option (a) is given that cells on the illuminated side of a stem elongate more than the cells on the shaded side in phototropism. The cells present on the illuminated side, that is, those cells that are receiving the light, do not extend more. Actually, the cells that are present in the shaded region and are far from the light elongate more than those on the illuminated side due to the chemical auxin released by the cells, which causes phototropism. So, it is a wrong answer.

Option (b) is given that phototropism is triggered by red/far-red light. The bending of the plant occurs only toward the light that includes blue wavelength. Plants have a phototropic response when the blue wavelength is available, which falls in the visible range. Therefore, it is not necessary that phototropism is triggered due to the red or far-red light. So, it is a wrong answer.

Option (d) is given that phototropism is triggered by phytochrome. Phototropism is triggered by a chemical named auxin. This chemical is produced by the cells that are present in the shaded region of the stem, thereby inducing phototropism. So, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Phototropism refers to the orientation of the plant in response to the light. Cells that are present on the shaded side of the stem extend more than cells that are present on the illuminated side of the stem.

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Answer 3

Question

Chapter 37, Problem 1TYK

Summary Introduction

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Expert Solution & Answer

Answer to Problem 1TYK

Correct answer:

Phototropism is the growth of an organism toward a light source (positive phototropism) or away from a light source (negative phototropism). In phototropism, the cells located on the shaded side of a stem elongate more than cells on the illuminated side of a stem.

Explanation of Solution

Explanation/Justification for the correct answer:

Option (c) is given that cells on the shaded side of a stem elongate more than the cells on the illuminated side of a stem during phototropism. The plant tip cells when exposed to light source sense light and release a chemical known as auxin. This results in the process of phototropism. It leads to the elongation of the cells that are far from the light. The shoot bends toward light and cells present in the shaded region of the stem elongate more. Hence, Option (c) is correct.

Explanation for incorrect answers:

Option (a) is given that cells on the illuminated side of a stem elongate more than the cells on the shaded side in phototropism. The cells present on the illuminated side, that is, those cells that are receiving the light, do not extend more. Actually, the cells that are present in the shaded region and are far from the light elongate more than those on the illuminated side due to the chemical auxin released by the cells, which causes phototropism. So, it is a wrong answer.

Option (b) is given that phototropism is triggered by red/far-red light. The bending of the plant occurs only toward the light that includes blue wavelength. Plants have a phototropic response when the blue wavelength is available, which falls in the visible range. Therefore, it is not necessary that phototropism is triggered due to the red or far-red light. So, it is a wrong answer.

Option (d) is given that phototropism is triggered by phytochrome. Phototropism is triggered by a chemical named auxin. This chemical is produced by the cells that are present in the shaded region of the stem, thereby inducing phototropism. So, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Phototropism refers to the orientation of the plant in response to the light. Cells that are present on the shaded side of the stem extend more than cells that are present on the illuminated side of the stem.

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Answer 4

Question

Chapter 37, Problem 1TYK

Summary Introduction

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Expert Solution & Answer

Answer to Problem 1TYK

Correct answer:

Phototropism is the growth of an organism toward a light source (positive phototropism) or away from a light source (negative phototropism). In phototropism, the cells located on the shaded side of a stem elongate more than cells on the illuminated side of a stem.

Explanation of Solution

Explanation/Justification for the correct answer:

Option (c) is given that cells on the shaded side of a stem elongate more than the cells on the illuminated side of a stem during phototropism. The plant tip cells when exposed to light source sense light and release a chemical known as auxin. This results in the process of phototropism. It leads to the elongation of the cells that are far from the light. The shoot bends toward light and cells present in the shaded region of the stem elongate more. Hence, Option (c) is correct.

Explanation for incorrect answers:

Option (a) is given that cells on the illuminated side of a stem elongate more than the cells on the shaded side in phototropism. The cells present on the illuminated side, that is, those cells that are receiving the light, do not extend more. Actually, the cells that are present in the shaded region and are far from the light elongate more than those on the illuminated side due to the chemical auxin released by the cells, which causes phototropism. So, it is a wrong answer.

Option (b) is given that phototropism is triggered by red/far-red light. The bending of the plant occurs only toward the light that includes blue wavelength. Plants have a phototropic response when the blue wavelength is available, which falls in the visible range. Therefore, it is not necessary that phototropism is triggered due to the red or far-red light. So, it is a wrong answer.

Option (d) is given that phototropism is triggered by phytochrome. Phototropism is triggered by a chemical named auxin. This chemical is produced by the cells that are present in the shaded region of the stem, thereby inducing phototropism. So, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Phototropism refers to the orientation of the plant in response to the light. Cells that are present on the shaded side of the stem extend more than cells that are present on the illuminated side of the stem.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 37, Problem 1TYK

Summary Introduction

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Expert Solution & Answer

Answer to Problem 1TYK

Correct answer:

Phototropism is the growth of an organism toward a light source (positive phototropism) or away from a light source (negative phototropism). In phototropism, the cells located on the shaded side of a stem elongate more than cells on the illuminated side of a stem.

Explanation of Solution

Explanation/Justification for the correct answer:

Option (c) is given that cells on the shaded side of a stem elongate more than the cells on the illuminated side of a stem during phototropism. The plant tip cells when exposed to light source sense light and release a chemical known as auxin. This results in the process of phototropism. It leads to the elongation of the cells that are far from the light. The shoot bends toward light and cells present in the shaded region of the stem elongate more. Hence, Option (c) is correct.

Explanation for incorrect answers:

Option (a) is given that cells on the illuminated side of a stem elongate more than the cells on the shaded side in phototropism. The cells present on the illuminated side, that is, those cells that are receiving the light, do not extend more. Actually, the cells that are present in the shaded region and are far from the light elongate more than those on the illuminated side due to the chemical auxin released by the cells, which causes phototropism. So, it is a wrong answer.

Option (b) is given that phototropism is triggered by red/far-red light. The bending of the plant occurs only toward the light that includes blue wavelength. Plants have a phototropic response when the blue wavelength is available, which falls in the visible range. Therefore, it is not necessary that phototropism is triggered due to the red or far-red light. So, it is a wrong answer.

Option (d) is given that phototropism is triggered by phytochrome. Phototropism is triggered by a chemical named auxin. This chemical is produced by the cells that are present in the shaded region of the stem, thereby inducing phototropism. So, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Phototropism refers to the orientation of the plant in response to the light. Cells that are present on the shaded side of the stem extend more than cells that are present on the illuminated side of the stem.

Answer 6

Chapter 37, Problem 1TYK

Summary Introduction

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Expert Solution & Answer

Answer to Problem 1TYK

Correct answer:

Phototropism is the growth of an organism toward a light source (positive phototropism) or away from a light source (negative phototropism). In phototropism, the cells located on the shaded side of a stem elongate more than cells on the illuminated side of a stem.

Explanation of Solution

Explanation/Justification for the correct answer:

Option (c) is given that cells on the shaded side of a stem elongate more than the cells on the illuminated side of a stem during phototropism. The plant tip cells when exposed to light source sense light and release a chemical known as auxin. This results in the process of phototropism. It leads to the elongation of the cells that are far from the light. The shoot bends toward light and cells present in the shaded region of the stem elongate more. Hence, Option (c) is correct.

Explanation for incorrect answers:

Option (a) is given that cells on the illuminated side of a stem elongate more than the cells on the shaded side in phototropism. The cells present on the illuminated side, that is, those cells that are receiving the light, do not extend more. Actually, the cells that are present in the shaded region and are far from the light elongate more than those on the illuminated side due to the chemical auxin released by the cells, which causes phototropism. So, it is a wrong answer.

Option (b) is given that phototropism is triggered by red/far-red light. The bending of the plant occurs only toward the light that includes blue wavelength. Plants have a phototropic response when the blue wavelength is available, which falls in the visible range. Therefore, it is not necessary that phototropism is triggered due to the red or far-red light. So, it is a wrong answer.

Option (d) is given that phototropism is triggered by phytochrome. Phototropism is triggered by a chemical named auxin. This chemical is produced by the cells that are present in the shaded region of the stem, thereby inducing phototropism. So, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Conclusion

Phototropism refers to the orientation of the plant in response to the light. Cells that are present on the shaded side of the stem extend more than cells that are present on the illuminated side of the stem.

Answer 7

Chapter 37, Problem 1TYK

Summary Introduction

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Answer 8

Expert Solution & Answer

Answer to Problem 1TYK

Correct answer:

Phototropism is the growth of an organism toward a light source (positive phototropism) or away from a light source (negative phototropism). In phototropism, the cells located on the shaded side of a stem elongate more than cells on the illuminated side of a stem.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Explanation/Justification for the correct answer:

Option (c) is given that cells on the shaded side of a stem elongate more than the cells on the illuminated side of a stem during phototropism. The plant tip cells when exposed to light source sense light and release a chemical known as auxin. This results in the process of phototropism. It leads to the elongation of the cells that are far from the light. The shoot bends toward light and cells present in the shaded region of the stem elongate more. Hence, Option (c) is correct.

Explanation for incorrect answers:

Option (a) is given that cells on the illuminated side of a stem elongate more than the cells on the shaded side in phototropism. The cells present on the illuminated side, that is, those cells that are receiving the light, do not extend more. Actually, the cells that are present in the shaded region and are far from the light elongate more than those on the illuminated side due to the chemical auxin released by the cells, which causes phototropism. So, it is a wrong answer.

Option (b) is given that phototropism is triggered by red/far-red light. The bending of the plant occurs only toward the light that includes blue wavelength. Plants have a phototropic response when the blue wavelength is available, which falls in the visible range. Therefore, it is not necessary that phototropism is triggered due to the red or far-red light. So, it is a wrong answer.

Option (d) is given that phototropism is triggered by phytochrome. Phototropism is triggered by a chemical named auxin. This chemical is produced by the cells that are present in the shaded region of the stem, thereby inducing phototropism. So, it is a wrong answer.

Hence, options (a), (b), and (d) are incorrect.

Answer 12

Conclusion

Phototropism refers to the orientation of the plant in response to the light. Cells that are present on the shaded side of the stem extend more than cells that are present on the illuminated side of the stem.

Answer 13

Ch. 37 - Prob. 1TYK Ch. 37 - Prob. 2TYK Ch. 37 - Prob. 3TYK Ch. 37 - 4. What evidence suggests that ABA from roots can...Ch. 37 - Why was it logical to predict that amyloplasts...Ch. 37 - Prob. 6TYU Ch. 37 - To explore how hormones function, researchers have...Ch. 37 - Prob. 8TYU Ch. 37 - Prob. 9TYPSS Ch. 37 - Prob. 10TYPSS

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Concept explainers

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Answer to Problem 1TYK

Explanation of Solution

Want to see more full solutions like this?

Chapter 37 Solutions

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Concept explainers

Introduction: Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.

Answer to Problem 1TYK

Explanation of Solution

Want to see more full solutions like this?

Chapter 37 Solutions

Introduction:

Phototropism is a mechanism that is mostly seen in the plants. In this mechanism, the plant responds to the light stimulus.