Opening and closing of stomata is a function of

A waxy thick layer which prevent water loss is

Trichomes help in

In plant stem the epidermal hairs are called

Transpirational rate is controlled by

The stomatal aperture, guard cell and the surrounding subsidiary cells are together called________.

Cuticle is not found in

All tissue except ____________ constitute the ground tissue.

Epidermal cells are parenchymatous with __________ amount of cytoplasm lining, the cell wall and _______ vacuole.