Choose correct match of the following.

	Column-I		Column-II
(a)	Catalytic converter	(i)	Domestic sewage pollution
(b)	Jhum cultivation	(ii)	Pesticide pollution
(c)	Ecosan toilets	(iii)	Global warming
(d)	Green revolution	(iv)	Automobile pollution
(e)	Sanitary land fill	(v)	Underground water pollution

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

Catalytic converter is fitted into the automobiles to control automobile pollution.

Jhum cultivation is causing global warming as many trees are cut down in the process.

Ecological sanitation is a sustainable system for handling human excreta, using dry composting toilets. This is a practical, hygienic, efficient and cost-effective solution to human waste disposal and is a remedy for domestic sewage population.

Pesticide pollution is a problem caused in the wake of green revolution.

Seepage of chemicals into underground water resources is a problem caused due to sanitary landfills.