Secondary roots arise from

Name the body part modified for food storage in the following:
$(a)$ Carrot
$(b)$ Colocasia
$(c)$ Sweet potato
$(d)$ Asparagus
$(e)$ Radish
$(f)$ Potato
$(g)$ Dahlia
$(h)$ Turmeric
$(i)$ Gladiolus
$(j)$ Ginger
$(k)$ Portulaca

Velamen tissue is useful for absorption of water vapours from atmosphere in . . . . . . .

Dead cells of the root cap are supplied by:

Root pocket occurs in

Velamen tissue is required for ..........