Match the following and choose the correct option.

	Column I		Column II
a.	Tusk shell	i.	Chaetopleura
b.	Squid	ii.	Dentalium
c.	Chiton	iii.	Aplysia
d.	Sea-hare	iv.	Loligo

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

• A

  1

• B

  2

• C

  3

• D

  4