Match the following columns and select the correct option. Column-IColumn-IIA.6-15 pairs of gill slits(i)TrygonB.Heterocercal caudal fin(ii)CyclostomesC.Air bladder(iii)ChondrichthyesD.Poison sting(iv)Osteichthyes

Match the following columns and select the correct option. …

Biology Animal Kingdom Previous Year Questions Single Correct MCQ

Published on: August 21, 2026

Match the following columns and select the correct option.

Column-I	Column-II
A.	6-15 pairs of gill slits	(i)	Trygon
B.	Heterocercal caudal fin	(ii)	Cyclostomes
C.	Air bladder	(iii)	Chondrichthyes
D.	Poison sting	(iv)	Osteichthyes

A-(iii), B-(iv), C-(i), D-(ii)

A-(iv), B-(ii), C-(iii), D-(i)

A-(i), B-(iv), C-(iii), D-(ii)

A-(ii), B-(iii), C-(iv), D-(i)

Text Solution

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The correct answer is:

Cyclostomes have an elongated body bearing 6-15 pairs of gill slits for respiration.
Bony fishes belonging to class Osteichthyes contains air bladder which regulates buoyancy Trygon, a cartilaginous fish, possesses poison sting. In members of class Chondrichthyes, tail is elongated with heterocercal caudal fin (the upper and lower halves of unequal size.

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