Safranine stains which elements of the tissue?

Which of the following cells is not totipotent?

Assertion: In angiosperms,the conduction of water is more efficient because their xylem has vessels.
Reason: Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria.

They provide mechanical support to the growing parts of the plant such as young stem and petiole of leaf.

Write a note on complex tissues.

Tracheids