Question

movement of what in Xylem is unidirectional​

Answer 1

Explanation:

The unidirectional movement means the movement of molecules in only one direction. Xylem is unidirectional in terms of transportation, meaning the flow of water molecules takes place from the roots towards the top of the plant. Bidirectional movement means the movement of molecules in two opposite directions.

Answer 2

Answer:

The unidirectional movement means the movement of molecules in only one direction. Xylem is unidirectional in terms of transportation, meaning the flow of water molecules takes place from the roots towards the top of the plant. Bidirectional movement means the movement of molecules in two opposite directions.