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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion: Husk of coconut is made of sclerenchymatous tissue.
Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.
- a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
- b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
- c)Assertion (A) is true but reason (R) is false.
- d)Assertion (A) is false but reason (R) is true.
Correct answer is option 'A'. Can you explain this answer?
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Direction: In the following questions, a statement of assertion (A) i...
Husk of coconut is made of sclerenchymatous tissue. The cells are dead with long and narrow walls thickened due to lignin.
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Direction: In the following questions, a statement of assertion (A) i...
Assertion: Husk of coconut is made of sclerenchymatous tissue.
Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.
The correct answer is option A: Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
Explanation:
- The husk of a coconut is the outermost layer of the fruit, which protects the seed inside. It is a tough, fibrous material that provides mechanical support and protection to the seed.
- The husk is composed of sclerenchymatous tissue, which is a type of plant tissue that provides strength and rigidity to the plant. It consists of dead cells with thickened secondary walls.
- The cells of sclerenchymatous tissue have long and narrow walls that are thickened due to the deposition of lignin. Lignin is a complex organic polymer that makes the cell walls rigid and resistant to decay.
- The thickened cell walls of sclerenchymatous tissue provide mechanical strength and support to the husk, enabling it to withstand external pressures and protect the seed inside.
- The presence of sclerenchymatous tissue in the husk of a coconut is essential for its function as a protective layer. It helps in preventing the seed from drying out and provides resistance against physical damage.
- Therefore, the assertion that the husk of a coconut is made of sclerenchymatous tissue is true.
- The reason provided, that the cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin, is also true and explains why the husk is tough and fibrous.
- The dead cells and thickened walls of the sclerenchymatous tissue contribute to its mechanical strength and rigidity, allowing the husk to fulfill its protective role effectively.
- Hence, both the assertion and reason are true, and the reason correctly explains the assertion.
Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.
The correct answer is option A: Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
Explanation:
- The husk of a coconut is the outermost layer of the fruit, which protects the seed inside. It is a tough, fibrous material that provides mechanical support and protection to the seed.
- The husk is composed of sclerenchymatous tissue, which is a type of plant tissue that provides strength and rigidity to the plant. It consists of dead cells with thickened secondary walls.
- The cells of sclerenchymatous tissue have long and narrow walls that are thickened due to the deposition of lignin. Lignin is a complex organic polymer that makes the cell walls rigid and resistant to decay.
- The thickened cell walls of sclerenchymatous tissue provide mechanical strength and support to the husk, enabling it to withstand external pressures and protect the seed inside.
- The presence of sclerenchymatous tissue in the husk of a coconut is essential for its function as a protective layer. It helps in preventing the seed from drying out and provides resistance against physical damage.
- Therefore, the assertion that the husk of a coconut is made of sclerenchymatous tissue is true.
- The reason provided, that the cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin, is also true and explains why the husk is tough and fibrous.
- The dead cells and thickened walls of the sclerenchymatous tissue contribute to its mechanical strength and rigidity, allowing the husk to fulfill its protective role effectively.
- Hence, both the assertion and reason are true, and the reason correctly explains the assertion.
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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?
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Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?.
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?.
Solutions for Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 9.
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Here you can find the meaning of Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?, a detailed solution for Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion: Husk of coconut is made of sclerenchymatous tissue.Reason: Cells of sclerenchymatous tissue are dead with long and narrow walls thickened due to lignin.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Class 9 tests.
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