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In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Light is very important external factor of transpiration.
Reason(R): Light induces stomatal opening and darkness stomatal closure. Thus the rate of transpiration increased in light and decreases in dark.
  • a)
    Both assertion and reason are true and reason is the correct explanation of assertion.
  • b)
    Both assertion and reason are true but reason is not the correct explanation of assertion.
  • c)
    Assertion is true but reason is false.
  • d)
    Both assertion and reason are false.
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In the following question, a statement of Assertion(A) is given follow...
Light is a direct factor affecting the rate of transpiration. This plays a very important role in opening and closing of stomata which in turn controls the transpiration. In the majority of plants stomata open in the presence of light and close in darkness. A strong light increases transpiration probably due to its heating effect. As most of the transpiration occurs through stomata, the rate of transpiration falls down in the darkness.
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In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).Read the statements carefully, and mark the correct answer.Assertion(A): Light is very important external factor of transpiration.Reason(R): Light induces stomatal opening and darkness stomatal closure. Thus the rate of transpiration increased in light and decreases in dark.a)Both assertion and reason are true and reason is the correct explanation of assertion.b)Both assertion and reason are true but reason is not the correct explanation of assertion.c)Assertion is true but reason is false.d)Both assertion and reason are false.Correct answer is option 'A'. Can you explain this answer?
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