Thorns, spines and prickles are
Organs of defence
Organs of offence
Organs of clinging
Specialised for gaseous exchange
Green leaf-like modified aerial stems/branches with a single internode are called
Underground stem is rhizome in plant
Describe various stem modifications associated with food storage, climbing and protection.
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 $........$
Green stems of unlimited growth, which have taken over the function of photosynthesis is called