Which of the following statements is correct? | vedclass

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(C) Statement $(I)$ is correct: The initial uptake of ions into the free space or outer space of cells is a passive process involving diffusion.Statem

Vedclass · Accepted Answer

$I, II$ and $IV$ are correct

Vedclass · Answer

(C) Statement $(I)$ is correct: The initial uptake of ions into the free space or outer space of cells is a passive process involving diffusion.Statement $(II)$ is correct: The apoplast pathway (cell wall continuum) is essential for the passive movement of water and ions.Statement $(III)$ is incorrect: Passive processes do not require metabolic energy $(ATP)$; they occur along the concentration gradient.Statement $(IV)$ is correct: In the apoplast,the movement of ions often occurs through ion channels or via diffusion through the cell wall matrix.Therefore,statements $(I), (II)$ and $(IV)$ are correct.

Column-$I$	Column-$II$
$P$. Uniport	$I$. $A$ molecule moves across the membrane independent of other molecules.
$Q$. Symport	$II$. Two molecules move in opposite directions.
$R$. Antiport	$III$. Two molecules cross the membrane in the same direction.

Which of the following statements is correct?
$(I)$ Rapid uptake of ions into the free space is a passive process.
$(II)$ Apoplast is important for passive processes.
$(III)$ Metabolic energy is required in passive processes.
$(IV)$ In the apoplast,passive processes occur through ion channels.

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Which of the following statements is correct?$(I)$ Rapid uptake of ions into the free space is a passive process.$(II)$ Apoplast is important for passive processes.$(III)$ Metabolic energy is required in passive processes.$(IV)$ In the apoplast,passive processes occur through ion channels.