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(D) Hydrophytes are aquatic plants that live in water. Floating leaves of hydrophytes often have a waxy cuticle on their upper surface. The primary fu

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Clogging of stomata

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(D) Hydrophytes are aquatic plants that live in water. Floating leaves of hydrophytes often have a waxy cuticle on their upper surface. The primary function of this waxy layer is to prevent the clogging of stomata by water and to reduce excessive water loss through transpiration,although in floating leaves,the stomata are restricted to the upper surface. However,the most direct functional consequence of the waxy coating in this context is to prevent the stomata from getting blocked by water,which would otherwise hinder gas exchange.

Column-$I$	Column-$II$
$A$. Newts and tadpoles	$I$. Plasma membrane
$B$. Platyhelminthes	$II$. External gills
$C$. Reptiles	$III$. Body surface
$D$. Protists	$IV$. Lungs

The waxy surface of the floating leaves of the hydrophytes prevents

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Match the animals in Column-$I$ with their respiratory surface / organs in Column-$II$ and select the correct option:
Column-$I$ Column-$II$
$A$. Newts and tadpoles $I$. Plasma membrane
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$C$. Reptiles $III$. Body surface
$D$. Protists $IV$. Lungs

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