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(D) Let's analyze the characteristics provided in the table:$(i)$ Habitat: Cyclostomata are marine but migrate to fresh water for spawning. Chondricht

Vedclass · Accepted Answer

$(i), (ii), (iii), (iv), (v)$ are correct

Vedclass · Answer

(D) Let's analyze the characteristics provided in the table:$(i)$ Habitat: Cyclostomata are marine but migrate to fresh water for spawning. Chondrichthyes are mostly marine. Osteichthyes are found in both marine and fresh water. The table correctly lists these.$(ii)$ Mouth: Cyclostomata have a sucking and circular mouth. Chondrichthyes have a ventral mouth. Osteichthyes have a terminal mouth. This is correct.$(iii)$ Gill Slits: Cyclostomata have $6-15$ pairs. Chondrichthyes have $5-7$ pairs. Osteichthyes have $4$ pairs. This is correct.$(iv)$ Scales: Cyclostomata lack scales. Chondrichthyes have placoid scales. Osteichthyes have cycloid/ctenoid scales. This is correct.$(v)$ Fins: Cyclostomata have unpaired fins. Chondrichthyes and Osteichthyes have paired fins. This is correct.All statements $(i), (ii), (iii), (iv),$ and $(v)$ are correct. Therefore, the correct option is $D$.

Characteristic	Cyclostomata	Chondrichthyes	Osteichthyes
$(i)$ Habitat	Marine	Marine	Marine, Fresh Water
$(ii)$ Mouth	Sucking mouth	Ventral mouth	Terminal mouth
$(iii)$ Gill Slits	$6-15$ Pairs	$5-7$ Pairs	$4$ Pairs
$(iv)$ Scales	Absent	Placoid	Cycloid/Ctenoid
$(v)$ Fins	Unpaired	Paired	Paired

Column-$I$	Column-$II$
$I.$ Platyhelminthes	$p.$ Malpighian tubules
$II.$ Aschelminthes	$q.$ Renette cells
$III.$ Arthropoda	$r.$ Flame cells
$IV.$ Annelida	$s.$ Nephridia

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Match the following columns:
Column-$I$ Column-$II$
$I.$ Platyhelminthes $p.$ Malpighian tubules
$II.$ Aschelminthes $q.$ Renette cells
$III.$ Arthropoda $r.$ Flame cells
$IV.$ Annelida $s.$ Nephridia

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