Match the column I with column II.

	Column I		Column II
(a)	Movement of molecules at a time in opposite direction	(1)	uphill transport
(b)	Facilitates the entry of hydrophilic molecules	(2)	Antiport
(c)	Requires expenditure of energy	(3)	Diffusion
(d)	Means of gaseous movement within the plant body	(4)	Facilitated diffusion

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