Pollen allergy is caused by pollens of

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(C) Pollen allergy,also known as hay fever,is a common allergic reaction to pollen grains released by various plants.Among the given options,$Partheni

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Parthenium

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(C) Pollen allergy,also known as hay fever,is a common allergic reaction to pollen grains released by various plants.Among the given options,$Parthenium$ (also known as carrot grass) is a well-known invasive weed that was introduced into India as a contaminant with imported wheat.It is notorious for causing severe pollen allergy and respiratory issues in humans.While other plants like roses and sunflowers produce pollen,they are typically insect-pollinated (entomophilous) and produce larger,stickier pollen grains that are less likely to become airborne compared to the wind-pollinated (anemophilous) pollen of $Parthenium$.

Column-$I$	Column-$II$
$P$. Pistil/Megasporophyll	$I$. Megasporophyll
$Q$. Ovule	$II$. Megasporangium
$R$. Embryo sac	$III$. Female gametophyte

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$P$. Pistil/Megasporophyll $I$. Megasporophyll
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$R$. Embryo sac $III$. Female gametophyte

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