Match the following columns and select the
correct option.
Column - I Column - II
-(a) 6 - 15 pairs of (i) Trygon
gill slits
(b) Heterocercal (ii) Cyclostomes
caudal fin
(c) Air Bladder (iii) Chondrichthyes
(d) Poison sting (iv) Osteichthyes
-(a) (b) (c) (d)
(1) (ii) (iii) (iv) (i)
(2) (iii) (iv) (i) (ii)
(3) (iv) (ii) (iii) (i)
(4) (i) (iv) (iii) (ii)