Conjoint collateral vascular bundles and eustele are present in ..........

The ring arrangement of vascular bundles is the characteristic feature of

Abundant pith is characteristic of

Bicollateral vascular bundles are found in .......

Generally,the hypodermis in monocots is composed of:

$A$ student observed the $T.S.$ of a plant organ slide under a microscope. He observed the vascular bundles in the stelar region as conjoint,collateral,and open. Based on these features of the vascular bundle,identify the correct option from below.