The principal pathways by which water is translocated in angiosperms is:

Which two statements are wrong for transpiration pull theory?
$(i)$ There is a continuous network of water channels from the root hairs to the tips of the leaves.
$(ii)$ Due to adhesive force between molecules of water,the water column has a great tensile strength.
$(iii)$ There is a cohesive force between the wall of the xylem vessels and water.
$(iv)$ Transpiration pull is strong enough to pull up the column of water to a great height.

Water enters which part of the root first?

In tall trees,the water column in the xylem does not break due to its weight because of:

Passive absorption of water by the root of a plant is affected by

According to capillarity theory, . . . . . . alone causes ascent of sap in plants.