Plant Growth and Development

Question

Phellogen and phellem respectively denote

  • Cork and cork cambium

  • Cork cambium and cork

  • Secondary cortex and cork

  • Cork and secondary cortex

Answer

A.

Cork and cork cambium

In the dicot stem, the cortical cells get differentiated to give rise to another meristematic tissue, which is called cork cambium or phellogen. On the other side, it forms phellem (cork) and in the inner region, it forms secondary cortical cells (phelloderm).

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