(C) The Assertion is correct because water is constantly absorbed by roots and lost through transpiration,making its presence in the plant transient.T

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Assertion is correct,but Reason is incorrect.

(C) The Assertion is correct because water is constantly absorbed by roots and lost through transpiration,making its presence in the plant transient.The Reason is incorrect because less than $1\%$ of the water reaching the leaves is used in photosynthesis and plant growth,not more than $1\%$.Therefore,the correct option is $C$.

Class 11 Biology Transport in Plants Transpiration (General) and Stomata

Medium

$A$: Water is transient in plants.
$R$: More than $1\%$ of the water reaching the leaves is used in photosynthesis and plant growth.

A
Assertion and Reason both are correct and Reason is the correct explanation of Assertion.
B
Assertion and Reason both are correct but Reason is not the correct explanation of Assertion.
C
Assertion is correct,but Reason is incorrect.
D
Both Assertion and Reason are incorrect.