Statement A: Medullary rays are a part of stele.
Statement B: They belong to vascular tissue system.

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Statement A and B are correct.

Statement A is incorrect and B is correct.

Statement A and B are incorrect.

Statement A is correct and B is incorrect.

answer is B.

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Detailed Solution

All the tissues present interior to endodermis together called as stele. Stele of dicot stem has ground tissues like medulla, medullary rays and pericycle. Hence medullary rays are a part of stele. Since these are made of only parenchyma and have no conducting elements, medullary rays do not belong to vascular tissue system.

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