In the stems of trees,the conduction of water | vedclass

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(D) In the stems of trees,the conduction of water occurs primarily through the $Xylem$ tissue. Specifically,in mature trees,the active conduction of w

Vedclass · Accepted Answer

Transpiration

Vedclass · Answer

(D) In the stems of trees,the conduction of water occurs primarily through the $Xylem$ tissue. Specifically,in mature trees,the active conduction of water takes place through the $Sapwood$ (alburnum),which is the outer,functional part of the secondary $Xylem$. $Heartwood$ (duramen) is the inner,non-functional part that provides mechanical support but does not conduct water. $Transpiration$ is the process that creates the 'transpiration pull' (a negative pressure gradient) necessary to move water upwards,but it is not the tissue through which conduction occurs. Since $Xylem$ is the tissue responsible for water transport,it is the correct answer.

In the stems of trees,the conduction of water takes place mainly through........

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