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Solution


Q.

The transverse section of a plant part showed polyarch, radial and exarch xylem, with endodermis and pericycle. The plant part is identified as                  [2023]
1 monocot root  
2 dicot root  
3 dicot stem  
4 monocot stem  

Ans.

(1)

Monocot roots have more than six xylem bundles (polyarch), while dicot roots have 2-4 vascular bundles (diarch to tetrarch). Radial and exarch vascular bundle is a characteristic feature of both monocot and dicot roots.