Rapid deterioration of root and shoot tip occ | vedclass

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(A) $Calcium$ is required by meristematic and differentiating tissues. During cell division, it is used in the synthesis of the cell wall, particularl

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Calcium

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(A) $Calcium$ is required by meristematic and differentiating tissues. During cell division, it is used in the synthesis of the cell wall, particularly as $calcium$ $pectate$ in the middle lamella. It is also needed for the normal functioning of the cell membranes. Because $calcium$ is not re-translocated from older tissues to younger, actively growing regions (like root and shoot tips), its deficiency leads to the rapid deterioration and death of these meristematic tips, thereby halting the growth of the plant.

Column $I$ (Disorder)	Column $II$ (Description)
$i$. Chlorosis	$a$. Localised death of tissues in leaves
$ii$. Necrosis	$b$. Premature fall of flowers,fruits and leaves
$iii$. Mottling	$c$. Yellowing of leaves due to absence of chlorophyll
$iv$. Abscission	$d$. Appearance of green and non-green patches on leaves

Rapid deterioration of root and shoot tip occurs due to the deficiency of

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