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

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 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.

Analogy type questions:
$(1)$ Stomata : Transpiration :: Hydathode : ..........
$(2)$ Phloem : Translocation of sugars :: Xylem : ..........

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?

During which process in leaves is the water potential positive?