________ is the group of fishes in which fins are supported with bony or horny spines which are directly attached to the body.

Osteichthyes

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Chondrichthyes

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Sarcopterygii

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Actinopterygii

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Solution

The correct option is D
Actinopterygii

Actinopterygii is a sub-class of bony fishes (Osteichthyes) in which fins are supported with bony or horny spines which are directly attached to the body. Sarcopterygii is another sub-class of bony fishes, that possess fleshy, lobed, paired fins, which are joined to the body by a single bone.

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Similar questions

________ is the class of fishes in which fins are supported with bony or horny spines which are directly attached to the body.

	Column-I		Column-II
(a)	Scales and paired fins absent	(i)	Torpedo
(b)	Claspers on pelvic fins of males	(ii)	Cyclostomes
(c)	4 pairs of gills covered with operculum	(iii)	Chondrichthyes
(d)	Electric organs	(iv)	Osteichthyes

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