A. Transpiration pull
B. Root pressure
C. Ascent of sap.
D. All of these
Related Mcqs:
- A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________??
- The site/s where most of the uptake of water and minerals take place is/are__________??
- Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap?
- Carbon dioxide is liberated during:
- Ascending portion of the axis of the plant, developing directly from the plumule and bears leaves, braches and flower is known as:
- In both transpirtions and evaporation water is lost in the form of vapour yet they differ because:
- Commonly in other plants than tall ones the speed of upward movement of water is____________??
- _____________ causes loss of water because of seepage of water into the soil.
- According to cohesion-tension theory, tension is created by__________________??
- Which of the following weather elements always decreases as we climb upward in the atmosphere?
