Ascent of Sap — Prelims Questions

Which of the following statements correctly describes the primary force responsible for the ascent of sap in tall trees?

Which of the following properties of water is NOT directly involved in the cohesion-tension theory of water transport?

Guttation is observed when:

If a plant stem is cut under water, and the cut end is connected to a manometer, a positive pressure reading is observed. This phenomenon is primarily due to:

Which of the following factors would likely decrease the rate of ascent of sap in a plant?

Which of the following statements about the xylem tissue's role in ascent of sap is INCORRECT?