In which of the following sets are flagellate | vedclass

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(D) Flagellated male gametes (antherozoids) are typically found in groups that require water for fertilization,such as Bryophytes,Pteridophytes,and so

Vedclass · Accepted Answer

Riccia,Dryopteris,Cycas

Vedclass · Answer

(D) Flagellated male gametes (antherozoids) are typically found in groups that require water for fertilization,such as Bryophytes,Pteridophytes,and some Gymnosperms.$1$. $Riccia$ is a Bryophyte,which produces flagellated antherozoids.$2$. $Dryopteris$ is a Pteridophyte,which also produces flagellated antherozoids.$3$. $Cycas$ is a Gymnosperm,which is unique among seed plants for having flagellated,motile male gametes.Therefore,the set $Riccia, Dryopteris, Cycas$ contains organisms that all possess flagellated male gametes.

$X$ (Feature)	$Y$ (Plant)
$1.$ Christmas tree	$p.$ Rhynia
$2.$ Fossil pteridophyte	$q.$ Araucaria
$3.$ Haplodiplontic life cycle	$r.$ Ectocarpus
$4.$ Diplontic life cycle	$s.$ Fucus

In which of the following sets are flagellated male gametes found?

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$X$ (Feature) $Y$ (Plant)
$1.$ Christmas tree $p.$ Rhynia
$2.$ Fossil pteridophyte $q.$ Araucaria
$3.$ Haplodiplontic life cycle $r.$ Ectocarpus
$4.$ Diplontic life cycle $s.$ Fucus

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