The stele is composed of

Which of the following is not a component of phloem?

Vascular bundles in which xylem and phloem are situated at the same radius are termed as:

What is the difference between lenticels and stomata?

Which one of the following is a type of tissue system?

Select the correct statements.
$I.$ Epidermal cells have a small amount of cytoplasm and a large vacuole.
$II.$ $A$ waxy layer,the cuticle,is absent in roots.
$III.$ Root hairs are unicellular,while stem hairs/trichomes are multicellular.
$IV.$ Trichomes are branched/unbranched,soft/stiff,and secretory or transpiration-preventive.
$V.$ Guard cells are dumb-bell-shaped in monocots (e.g.,grass) and bean-shaped in dicots.