Q. Which one of the following is the most accepted theory of ascent of sap?

A) Root pressure theory
B) Root pressure theory
C) Passive transport
D) Cohesion theory
Explanation

Cohesion adhesion theory for water movement (ascent of sap) in plants water proposed by Dixon and Jolly in 1894 and again elaborated by Dixon (1914, 1924). Now-a-days, this theory for ascent of sap is regarded as most applicable and acceptable in plants transport

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.