How do soluble substances migrate?

Assertion: When the ambient temperature is high and soil contains excess of water,the plants tend to lose water in the form of droplets from lenticels.
Reason: Root pressure regulates the rate of loss of water from lenticels.

During the day, the turgidity of leaf cells decreases, but they regain it during the night. What is this process called?

Which of the following is the importance of water to plant life?

Match the properties of water in Column-$I$ with their corresponding significance in Column-$II$ and select the correct option:

Column-$I$	Column-$II$
$I.$ Polarity	$p.$ Aquatic organisms can float
$II.$ Viscosity	$q.$ Lakes do not freeze in winter
$III.$ Latent heat	$r.$ Ascent of sap against gravity
$IV.$ Cohesive force	$s.$ Water is an efficient solvent

Cells absorb water by