The lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil and then come out obliquely upward giving rise to leafy shoots.

In Onion, the swollen underground structure is

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 $........$

In Passiflora, the tendrils are modified