Match the following and choose the correct option.

	Column - I		Column - II
A	Choanocytes	I	Aedes
B	Cnidocytes	II	Fasciola
C	Malpighian tubules	III	Physalia
D	Flame cells	IV	Cucumaria
		V	Sycon

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

• A

  1

• B

  2

• C

  3

• D

  4