Given below are two statements.
Statement I: In roots, the arrangement of primary xylem is endarch and in stem it is exarch.
Statement II: In roots, tissue present between xylem and phloem are medullary rays.
In light of the above statements, choose the correct answer from the options given below.

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Statement I is incorrect but statement II is correct.

Both statement I and statement II are correct.

Statement I is correct but statement II is incorrect.

Both statement I and statement II are incorrect.

answer is B.

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Detailed Solution

Exarch xylem refers to the condition in which the protoxylem (the first-formed xylem elements) lies towards the periphery of the vascular bundle, while the metaxylem (later-formed xylem) is located towards the center. It is commonly seen in roots. Endarch xylem refers to the condition in which the protoxylem lies towards the center of the vascular bundle, while the metaxylem is located towards the periphery. It is commonly seen in stems. The parenchymatous cells which lie between the xylem and the phloem are called conjuctive tissue.

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