Anatomically,a fairly old dicotyledonous root | vedclass

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(C) The correct answer is $C$. In a dicotyledonous root,the protoxylem is located near the periphery of the vascular cylinder,while the metaxylem is l

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position of protoxylem

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(C) The correct answer is $C$. In a dicotyledonous root,the protoxylem is located near the periphery of the vascular cylinder,while the metaxylem is located further inward. This arrangement is known as $exarch$ or centripetal xylem. In contrast,in a dicotyledonous stem,the protoxylem is located near the center of the vascular bundle,and the metaxylem is located near the periphery. This arrangement is known as $endarch$ or centrifugal xylem. Therefore,the position of the protoxylem is a key anatomical feature used to distinguish between a dicot root and a dicot stem.

Anatomically,a fairly old dicotyledonous root is distinguished from a dicotyledonous stem by

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