Question

Thorn is a stem structure because it [CPMT 1995]
A) Develops from trunk
B) Develops from axillary bud
C) Grows from external surface
D) Is pointed

Answer 1

horn is a woody and shape pointed modified stem. Thus, it can be regarded as a structure which is obtained from shoot. It is a sharp and woody branch. Spine is also a sharp pointed structure. It is the woody modified leaf or leaf plant. Thus, it can be seen as a structure derived from leaves. It usually forms just below a bud or branch or on leaf.