Multiple choice

Which of the following contributes the most to transport of water from the ground to the leaves of a tall tree?

  1. Capillary rise of water

  2. Root pressure

  3. Cohesion of water and transpiration pull

  4. Active transport of water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The cohesion-tension theory, which combines the cohesive properties of water molecules and the pull created by transpiration in the leaves, is the main mechanism for transporting water to the tops of tall trees.

Keep practicing — related questions