Match the following and choose the correct option.

	Organism		Locomotory structure
(a)	Nereis	(i)	Walking legs
(b)	Asterias	(ii)	Parapodia
(c)	Pleurobrachia	(iii)	Tube feet
(d)	Periplaneta	(iv)	Comb plates

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

• A

  1

• B

  2

• C

  3

• D

  4