CUET-UG SERIES Environmental-studies
Sewage Treatment
1 previous year questions.
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2023 Chapter Questions 1 MCQs
01
PYQ 2023
medium
environmental-studies ID: cuet-ug-
Arrange the steps of biological sewage treatment process in a sequence.
(A) Vigorous growth of flocs and significant reduction in BOD
(B) Activated sludge pumped into anaerobic sludge digester
(C) Effluent passed into an aeration tank and agitated mechanically
(D) Effluent transfer to settling tank followed by sedimentation of bacterial flocs
Choose the correct answer from the options given below:
(A) Vigorous growth of flocs and significant reduction in BOD
(B) Activated sludge pumped into anaerobic sludge digester
(C) Effluent passed into an aeration tank and agitated mechanically
(D) Effluent transfer to settling tank followed by sedimentation of bacterial flocs
Choose the correct answer from the options given below:
1
(A), (B), (C), (D)
2
(B), (C), (D), (A)
3
(C), (A), (D), (B)
4
(D), (C), (B), (A)