Give functions of companion cells.
Give functions of companion cells.
$\Rightarrow$ The companion cells are specialised parenchymatous cells which are closely associated with sieve tube elements. The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls.
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The first formed primary phloem is referred as ...$A$... The later formed primary phloem is referred as ...$B$...
Choose the correct combination of $A$ and $B$
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Give scientific reasons : Vascular tissues are also called complex tissue.
Give scientific reasons : Vascular tissues are also called complex tissue.