Ncert Exercises & Solutions

9. Phellogen and phellem respectively denote

(a) cork and cork cambium

(b) cork cambium and cork

(d) cork and secondary cortex

(b) Cortical Cells In the dicot stem the cortical cells gets differentiated to Give rise to another meristematic tissue which is called cork cambium or phellogen. On the Outer side it forms phellem (cork) and in the inner region it forms secondary cortical Cells (phelloderm).

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