The stele found in monocot stems is known as:

In a monocot stem,which of the following is absent?

Assertion : In collateral vascular bundles,phloem is situated towards the inner side.
Reason : In monocot stem,cambium is present.

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

$A$ 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.

Conjoint collateral closed vascular bundle is found in