Stomata open and close due to _____________.

 Much of the transpiration takes place through ___________.

Water rises in xylem in the form of __________

The ascent of sap in plants takes place due to

Root pressure can be measured by,

The roots absorb water through _______________..

Ascent of sap in higher plant  takes  place through,

High root pressure can cause water to be lost by leaves through the process of

Stomata are present on the __________ of the leaves.