Exudation of xylem sap on cutting of a shoot is due to

Exudation' is due to

Exudation of water through the cut ends of stem is due to transpiration pull.

Exudation of sap at the end of stem is a manifestation of_______pressure.

Ascent of sap occurs due to

Ascent of sap in herbs is due to

Ascent of sap in herbs is due to

Bending of shoots towards light is due to:

The continuous excretion of watery substance from stump of a well wateredd pot plant after cutting off the shoot slightly aboce the base is due to Exudation of xylem is due to

Exudation and guttation are due to