The ring arrangement of vascular bundles is the characteristic feature of

In which of the following are radial vascular bundles and conjoint vascular bundles found,respectively?

Water cavity is found in -

Select the correct option$(s)$ from the following statements:
$(i)$ Fibers are thin-walled,elongated,and pointed cells.
$(ii)$ Water-containing cavities (lysigenous cavities) are found in the vascular bundles of monocot stems.

Identify $P, Q,$ and $R$ in the given internal structure.

In how many of the following plant organs are open vascular bundles found? Dicot root,Dicot stem,Monocot root,Monocot stem,Dicot leaf,Monocot leaf.