Choose the correct option from the following:
In $ \text{monocot} / \text{dicot} $ stem, the vascular bundles are arranged in a ring.

Select the correct option regarding the following statements.

The vascular bundles in the stems of most of dicots are conjoint,collateral and open. In each of these bundles

Conjoint,collateral,and open vascular bundles are characteristic of:

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.

No secondary growth occurs in monocot stem because