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NEET Exam Model Paper 12

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Question : 29

Total: 180

Refer the given flowchart of sewage treatment, accordingly match Column I with Column II and select the correct answer from the codes given below

Column - I	Column - II
A. The stage in which physical treatment of sewage is done	i. Anaerobic digestion of activated sludge and production of biogas
B. The stage in which biological treatment ofsewage is done	ii. Activated sludge
C. Name of the sediment in primary treatment	iii. Aeration tanks
D. It is carried toaeration tanks from primary settling	iv. Primary effluent
E. Name of the sediment insecondary treatment	v. Primary sludge
F. Site of flocs growth	vi. Secondary treatment
G. Function of sludge digester	vii. Primary treatment

	A	B	C	D	E	F	G
1)	vii	vi	v	iv	ii	iii	i
2)	i	iii	v	vii	ii	iv	vi
3)	i	ii	iii	iv	v	vi	vii
4)	vii	vi	i	ii	iii	iv	v

1
4
3
2

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