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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 : Most of plant tissues are dead.
Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.
  • 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?
Verified Answer
Direction: In the following questions, a statement of assertion (A) i...
Most of the plant tissues are dead since dead cells can provide mechanical strength as easily as live ones, and need less maintenance. They consume more energy as compared to plants. Most of the tissues they contain are living.
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Most Upvoted Answer
Direction: In the following questions, a statement of assertion (A) i...
Assertion: Most of plant tissues are dead.
Reason: Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.

Explanation:
The given assertion states that most plant tissues are dead. This means that a large portion of a plant's body, including its stems, roots, and leaves, is made up of dead cells.

The reason provided for this assertion is that due to the sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.

Explanation of Assertion:
Plants are sessile organisms, meaning they cannot move from one place to another. As a result, they need to maintain their structure and provide mechanical support even when exposed to various environmental conditions. Dead cells, unlike living cells, do not require energy and nutrients to function and maintain their structure. They provide mechanical strength to the plant's body without the need for active metabolism. Dead cells also have thick cell walls made up of materials like lignin, which further enhances their strength and rigidity. Therefore, most plant tissues are made up of dead cells to provide structural support.

Explanation of Reason:
The reason provided in the statement is that due to the sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.

Plants cannot move to escape from external forces such as wind or gravity. Therefore, they need to have a strong and rigid structure to withstand these forces. Dead cells, with their thick cell walls and lack of metabolic activities, can provide this mechanical strength more easily than live cells. Live cells, on the other hand, are metabolically active and require energy and nutrients for their functioning. They also have thinner cell walls and are generally more flexible. Maintaining the integrity and functionality of live cells requires a continuous supply of resources, while dead cells are relatively inert and do not require active maintenance.

Conclusion:
Both the assertion and reason are true, and the reason correctly explains the assertion. Dead cells in plant tissues provide mechanical strength more easily than live cells and require less maintenance due to the sedentary existence of plants. Therefore, option (a) is the correct 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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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?
Question Description
Direction: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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. Download more important topics, notes, lectures and mock test series for Class 9 Exam by signing up for free.
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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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 : Most of plant tissues are dead.Reason : Due to sedentary existence of plants, dead cells provide mechanical strength more easily than live ones and need less maintenance.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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