Question

explain process of formation of cork

Answer 1

When the plant gets older it under some changes and outer layer is cut of and a strip of secondary meristem is replaced by a several layer thick cork which makes the tree impervious to gases and water.
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Answer 2

Answer:

A strip of secondary meristem replaces the epidermis of the stem. (1). The

cells on the outside of this layer are cut off from this layer. (1). This forms the cork or bark of the tree

Explanation: