Match the following and choose the correct option.

	Column I		Column II
(a)	Placoid scales	(i)	Bufo
(b)	Operculum	(ii)	Scoliodon
(c)	Jawless mouth	(iii)	Pterophyllum
(d)	Tympanum	(iv)	Petromyzon

	(a)	(b)	(c)	(d)
1	iii	ii	iv	i
2	ii	iv	iii	i
3	ii	iii	iv	i
4	i	iii	iv	ii

• A

  1

• B

  2

• C

  3

• D

  4