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)