Multiple choice

Which of the following characteristics of xylem aids in ascent of sap?

  1. Thick walled xylem cells

  2. Narrow diameter of xylem vessels

  3. Hypertonic nature of xylem cells

  4. Adhesive force between xylem and water

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Narrow diameter of xylem vessels aids in ascent of sap through capillary force.