Number of gills found in osteichthyes is

Two pairs

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Four pairs

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Five pairs

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6 - 15

pairs

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12

pairs

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Solution

The correct option is A Four pairs
Osteichthyes is a class of bony fishes and includes lung fishes, ray finned and lobed finned fishes. They have four pair of gills which are covered by operculum (gill cover).
So, the correct answer is 'Four pairs'.

Suggest Corrections

	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