Transpiration helps in transport of water through the ________.
xylem
Transpiration is the loss of water in the form of vapour through aerial parts of the plant. This creates a suctional force pulling water from the roots through the xylem. Transpiration helps to pull water to the leaves of tall trees that are even 600ft high. In smaller trees and plants, instead of transpiration, water is transported with the help of root pressure.