In a girdled plant,when water is supplied to the leaves above the girdle,leaves may remain green for some time,then wilt and ultimately die. What does it indicate?

Which of the following statements are true or false?
$I.$ The positive hydrostatic pressure is called turgor pressure.
$II.$ Wall pressure is exerted to prevent the increase of protoplasm size.
$III.$ Diffusion is more rapid in liquids than in gases.
$IV.$ Diffusion of water through a semi-permeable membrane is called imbibition.
$V.$ Osmosis is the movement of a substance,which takes place along a diffusion gradient.

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

Choose the incorrect sentences:
$(1)$ The apoplastic movement of water occurs exclusively through the intercellular spaces and the walls of the cells.
$(2)$ The symplastic system is the system of interconnected protoplasts.
$(3)$ Casparian strips are present in the apoplast pathway.
$(4)$ Transport of water is slow in the symplast compared to the apoplast.

After heavy rainfall with poor drainage,leaves of many plants wilt due to

What is released during guttation?