Q. A column of water within xylem vessels of tall trees does not break under its weight because of :
A) Positive root pressure
B) Dissolved sugars in water
C) Tensile strength of water
D) Lignification of xylem vessels
Explanation
[Solution] Cohesion between water molecules gives the column high tensile strength. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.