Ascent of sap in plants takes place through :
Xylem
The correct option is C
Explanation of the correct option
Explanation of the incorrect option:
Option A: It is responsible for the transportation of materials into the central cylinder of the root through diffusion and may also be used for food storage in the form of starch.
Option B: It provides protection against the water loss.
Option D: It transfers food in the plant from leaves to all the parts of it.
Final answer: Ascent of sap in plants takes place through xylem.