Match the following contrivances from Column- | vedclass

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(B) The correct matching is as follows:$i$. Protandry: In this condition,the anthers mature before the stigma of the same flower. This is observed in

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$i-c, ii-d, iii-b, iv-a$

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(B) The correct matching is as follows:$i$. Protandry: In this condition,the anthers mature before the stigma of the same flower. This is observed in $Sunflower$ $(i-c)$.$ii$. Prepotency: Pollen grains of another flower germinate more rapidly over the stigma than the pollen grains of the same flower. This is observed in $Apple$ $(ii-d)$.$iii$. Self sterility: In this condition,the pollen grains of a flower fail to germinate on the stigma of the same flower due to genetic incompatibility. This is observed in $Tobacco$ $(iii-b)$.$iv$. Herkogamy: This is a mechanical device to prevent self-pollination where the stigma and anthers are placed in such a way that pollen cannot reach the stigma. This is observed in $Calotropis$ $(iv-a)$.Therefore,the correct sequence is $i-c, ii-d, iii-b, iv-a$.

Column-$I$	Column-$II$
$i$. Protandry	$a$. Calotropis
$ii$. Prepotency	$b$. Tobacco
$iii$. Self sterility	$c$. Sunflower
$iv$. Herkogamy	$d$. Apple

Match the following contrivances from Column-$I$ with their examples in Column-$II$.
Column-$I$ Column-$II$
$i$. Protandry $a$. Calotropis
$ii$. Prepotency $b$. Tobacco
$iii$. Self sterility $c$. Sunflower
$iv$. Herkogamy $d$. Apple

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Match the following contrivances from Column-$I$ with their examples in Column-$II$.Column-$I$Column-$II$$i$. Protandry$a$. Calotropis$ii$. Prepotency$b$. Tobacco$iii$. Self sterility$c$. Sunflower$iv$. Herkogamy$d$. Apple