"Bast fibers" are obtained from which part of the woody stem?

Protoxylem and metaxylem are components of which of the following?

Callose deposition is found in

Companion cells are usually seen associated with

$I.$ Made up of sclerenchymatous cells
$II.$ Generally absent in primary phloem
$III.$ Much elongated and pointed
Given above characters belong to which of the following?

Match the following columns:

Column-$I$	Column-$II$
$P$. Parenchyma	$I$. No thickening
$Q$. Collenchyma	$II$. Pectin thickening
$R$. Sclerenchyma	$III$. Lignin thickening