In which of the following plants, stem perform the function of storage and act as organ of perennation

In aquatic plants like Pistia and Eichhornia, leaves and roots are found near $.........$

Fibrous root system originates from the base of

In sweet pea, the tendrils are modified

Thorns, spines and prickles are

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 $........$