Match the items given in column I with those in column II and select the correct option.

	Column I		Column II
(a)	Larynx	(i)	Common passage for food and air
(b)	Trachea	(ii)	Exchange of gases
(c)	Pharynx	(iii)	Incomplete cartilaginous rings
(d)	Alveoli	(iv)	Sound box

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

• A

  1

• B

  2

• C

  3

• D

  4