Question

bark cells are impervious of gases and water,what exeperimentwill you perform to prove this

Answer 1

bark cells are impervious to gases and water because they contain suberin which does not allow water or gases  into the plant

Answer 2

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. ♦ in big tress dermal tissue forms several layers above the epidermis it is called bark.

. ♦ The several layers of bark does not allow any things like gases amd water to pass through it.

. ♦ hence bark cells are impervious to gases and water.