The answer is Dermal tissue
*Dermal tissue helps in covering and protecting the plants as well as controlling their gas exchange and water absorption in roots. It is covered by a waxy cuticle that helps in preventing the plants from water loss.
*Apical meristem is responsible for the extension of the shoots and roots.
*Endodermis is responsible for regulating the movements of water, ions, and hormones into and out of the vascular system.
*Nodes are the site where the buds, leaves, and branching twigs originate. .