Question

The most important force which pulls water up in tall trees is:

• A. imbibition force
• B. osmotic force
• C. cohesive force
• D. electromagnetic force

Answer 1

Answer: (C)

cohesive force

Answer 2

The most important force which pulls water up in the tall trees is the cohesive (inter-molecular) force between $H _{2} O$ molecules. It also helps in maintaining the continuity of water column in tall trees.