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(A) : In $Spirogyra$,gametes are non-motile and sexual reproduction takes place by conjugation.$Sargassum$ belongs to the $Phaeophyceae$ group of alga

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$Spirogyra$ - Motile gametes

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(A) : In $Spirogyra$,gametes are non-motile and sexual reproduction takes place by conjugation.$Sargassum$ belongs to the $Phaeophyceae$ group of algae. They are commonly called 'brown algae' and contain photosynthetic pigments chlorophyll $a$ and $c$.Puffballs are $Basidiomycetes$ with a stalked rounded structure that releases puffs of spores,e.g.,$Lycoperdon$ $oblongisporum$.$Nostoc$ is a colonial cyanobacterium. It enriches its habitat with nitrogen by fixing atmospheric nitrogen and also causes water blooms.

Column-$I$	Column-$II$
$A$. Christmas tree	$i$. Bennettites
$B$. Fossil plant	$ii$. Cycas
$C$. Ornamental plant	$iii$. Araucaria
$D$. Tallest tree	$iv$. Sequoia
	$v$. Thuja

Which one of the following is wrongly matched?

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Match the following columns:
Column-$I$ Column-$II$
$A$. Christmas tree $i$. Bennettites
$B$. Fossil plant $ii$. Cycas
$C$. Ornamental plant $iii$. Araucaria
$D$. Tallest tree $iv$. Sequoia
$v$. Thuja

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