Which living cell of the phloem tissue contai | vedclass

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(D) The phloem tissue in angiosperms consists of sieve tube elements,companion cells,phloem parenchyma,and phloem fibers. $1$. Sieve tube elements are

Vedclass · Accepted Answer

Companion cell

Vedclass · Answer

(D) The phloem tissue in angiosperms consists of sieve tube elements,companion cells,phloem parenchyma,and phloem fibers. $1$. Sieve tube elements are living but lack a nucleus at maturity. $2$. Companion cells are specialized parenchyma cells that are closely associated with sieve tube elements. $3$. Companion cells contain a dense cytoplasm and a prominent,functional nucleus,which controls the activities of the sieve tube elements. $4$. Tracheids and vessels are components of xylem,not phloem. Therefore,the companion cell is the correct answer.

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

Which living cell of the phloem tissue contains a functional nucleus and cytoplasm?

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