Root hairs are
Acellular
Unicellular
Multicellular
Multicellular and unicellular
Select correct features w.r.t. trichomes in shoot system
$(a)$ Usually unicelled
$(b)$ Branched or unbranched
$(c)$ May be secretory
$(d)$ Soft or stiff
$(e)$ Helps against transpiration
It is not part of epidermal tissue system in plants
Ground tissue includes
$I.$ These tissue are found as layers or patches
$II.$ It consists of cells which are thickened at the corners
$III.$ It often contains chloroplast
$IV.$ Intercellular spaces are absent
$V.$ They provide mechanical support to growing parts of plants The above characters are attributed to