Any break in the water column in the $xylem$ generated by excess transpirational pull is re-established by............

Which of the following is responsible for the transport of water and minerals from roots to stems,leaves,flowers and fruits in rooted plants?

Conduction of sap in plants occurs through

When is the root pressure lowest?

Root pressure 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.