Question

bark cells are impervious to gases and water what experiment will you perform to prove this

Answer 1

bark cells  are impervious to gases and water due to the deposition of a material called suberin ,however there are pores at some locations on the bark which are called lenticels that allow the exchange of gases. but there is no specific experiment to prove this. it can be proved by studying the parts of the plants.

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.