NEET Botany Sewage Treatment Match the Following Question
Match Column-I with Column-II.
Column-I Column-II (a) Primary treatment (i) Removal of floating debris (b) Secondary treatment (ii) Aeration tanks (c) Primary sludge (iii) Settled solids (d) Effluent (iv) Supernatant after sedimentation
Choose the correct matching:
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iii, b-iv, c-i, d-ii
a-iv, b-iii, c-ii, d-i
Correct Answer
Detailed Explanation
Primary treatment involves the removal of floating debris, which is the first step in the sewage treatment process. The primary sludge consists of settled solids, while the effluent is the supernatant after sedimentation.
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