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(B) The endodermis of the root is a critical layer that regulates the flow of water and solutes into the vascular cylinder (stele).Because of the pres

Vedclass · Accepted Answer

$A-$unidirectionally,$B-$suberin

Vedclass · Answer

(B) The endodermis of the root is a critical layer that regulates the flow of water and solutes into the vascular cylinder (stele).Because of the presence of the Casparian strip (a band of suberin),the apoplastic movement of water and ions is blocked at the endodermis.Therefore,ions must enter the symplast to cross the endodermis.This allows the endodermis to actively transport ions in only one direction (unidirectionally) into the vascular tissue,preventing backflow.Thus,the correct pair is $A-$unidirectionally,$B-$suberin (which forms the Casparian strip).

Root endodermis has the ability to actively transport ions $A$ because of $B$. Choose the correct pair.

Similar Questions

Minerals are present in the soil in sufficient amounts. Do plants need to adjust the type of solutes that reach the xylem? Which molecules help to adjust this? How do plants regulate the type and quantity of solutes that reach the xylem?

$A -$ $A$ plant adjusts the quality and types of solutes that reach the xylem.
$R -$ Transport proteins of endodermal cells are control points.

$A -$ $A$ plant adjusts the quantity and types of solutes that reach the xylem.
$R -$ Transport proteins of endodermal cells are control points.

What is the nature of the initial phase of ion uptake in plants?

The translocation of minerals from roots to leaves occurs through:

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