Question

which of the following factors is responsible for ascent of sap? ​

Answer 1

Answer:

Transpiration pull - Transpiration in aerial plants bring the xylem sap under negative pressure or tension due to continuous withdrawal of water by them. Water column does not break due to its high tensile strength related to high force cohesion and adhesion.

Hope this will help uh

Answer 2

Answer:

bhai q to poora lekha karo