Match the following enzymes with their functions :

Column I	Column II
(a) Restriction endonuclease	(i) Joins the DNA fragments
(b) Restriction exonuclease	(ii) Extends primers on genomic DNA template
(c) DNA ligase	(iii) Cuts DNA at a specific position
(d) Taq polymerase	(iv) Removes nucleotides from the ends of DNA

Select the correct option from the following :

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