ICSE Class 7 Answered

Structure of xylem:

• Complex permanent tissue, with thick-walled cells.
• Most of the cells are dead
• Cells are in the form of tubular passages

Functions of xylem:

• Provides upward movement of water and dissolved materials absorbed by the root from the soil to other parts of the plant.

Structure of phloem:

• Complex permanent tissue
• Can move materials in both the directions

Functions of phloem:

• Provides a passage for the downward movement of food manufactured in the leaves to various parts of the plant.
• Allows the upward movement of the prepared food towards the growing new leaves.