Exarch and polyarch vascular bundles are found in
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monocot root
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monocot stem
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dicot root
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dicot stem
A
Correct answer
Explanation
Monocot roots have exarch (xylem matures from outside inward) and polyarch (many xylem strands) vascular bundles. Monocot stems have endarch bundles, dicot roots have tetrarch (four strands), and dicot stems have collateral bundles.