Match the following and choose the correct option.

	Column-I		Column-II
A.	Dentalium	I.	Diaphragm
B.	Saccoglossus	II.	Worm-like body
C.	Neophron	III.	Air sacs
D.	Delphinus	IV.	Calcareous shell

 

	A	B	C	D
1	IV	III	I	II
2	III	II	I	IV
3	IV	II	III	I
4	III	IV	II	I

• A

  1

• B

  2

• C

  3

• D

  4