$A$ vascular bundle without pith is

.......... is the outer protective tissue.

Identify the location and function of the following structures:
$(i)$ Casparian strips
$(ii)$ Starch sheath

Consider the following structures and select the structures which form the stele.
$(A)$ Endodermis
$(B)$ Pericycle
$(C)$ Vascular tissue system
$(D)$ Pith

If there is more than one tunica layer in a stem apex,which among the following is most likely to happen?

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.