The primary function of lenticels is $..........$.

$I.$ Phloem transports the food materials usually from the leaves to other parts of the plant.
$II.$ Phloem in the angiosperm is composed of sieve tube elements,companion cells,phloem parenchyma,and phloem fibres.
Identify which of the following statements is correct and select the correct option.

Which one of the following is well-developed in hydrophytes?

Write a note on the Epidermal Tissue system.

Select correct features w.r.t. trichomes in the shoot system:
$(a)$ Usually unicellular
$(b)$ Branched or unbranched
$(c)$ May be secretory
$(d)$ Soft or stiff
$(e)$ Helps against transpiration

Which of the following is not a component of phloem?