Concept:Xylem is the vascular tissue in plants that transports water and dissolved minerals from the roots upwards.
Explanation:Vascular plants have two main transport tissues: xylem and phloem.
Xylem carries water and dissolved minerals from the roots to the leaves.
Phloem transports food, such as sugars, from the leaves to other plant parts.
Hormones and sugar storage are not primary functions of xylem.
Thus, xylem is chiefly responsible for transportation of water.
Answer:A. transportation of water