$A$ lateral bud arising on the lateral sides of an axillary bud is called:

In $Banana$,the true stem is underground. The stem-like structure outside the soil is formed by:

Which structure is not found in the leaves of a bean plant?

Turmeric powder is obtained from which part of the plant?

From the given categories of buds,choose the one which is present on a potato tuber:
Nodal bud,Adventitious bud,Axillary bud,Leaf bud,Extra-axillary bud

Provide definitions/explanations for the following terms:
$(i)$ Spine
$(ii)$ Bulb