$A$. Much of the nitrogen in xylem sap is carried in organic form.
$B$. In phloem,the movement of nutrients is always unidirectional.

Osmosis involves

Which of the following statements are correct regarding the factors affecting absorption by plants?
$i$. In dicots,the guard cells are dumbbell shaped.
$ii$. The transport of food through phloem is bidirectional.
$iii$. Capillary water is available to plants.
$iv$. Lenticels are small,raised structures composed of compactly arranged complementary cells.
$v$. Stomatal transpiration occurs during day time only.
Choose the correct option:

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

Define the following terms:
$(1)$ Ascent of sap
$(2)$ Phloem transport

Match List $I$ with List $II$ :

List $I$	List $II$
$A$. Cohesion	$I$. More attraction in liquid phase
$B$. Adhesion	$II$. Mutual attraction among water molecules
$C$. Surface tension	$III$. Water loss in liquid phase
$D$. Guttation	$IV$. Attraction towards polar surfaces

Choose the correct answer from the options given below :