Which of the following facts proves that the translocation of materials occurs through the phloem?

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:

In how many hours,a mustard plant absorbs water equal to its own weight?

Xylem helps in the translocation of:

Identify the correct order of magnitude for the forces involved in plant water transport.

Which of the following components are transported within plants?
$I -$ Water,$II -$ Plant growth regulators,$III -$ Mineral nutrients,$IV -$ Organic nutrients