NEET Botany Sewage Treatment Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Primary Treatment | (i) Biological removal of contaminants |
| (b) Secondary Treatment | (ii) Removal of large particles |
| (c) Effluent | (iii) Settled water after treatment |
| (d) Primary Sludge | (iv) Solid waste from sewage |
a-ii, b-i, c-iii, d-iv
a-i, b-ii, c-iv, d-iii
a-ii, b-iv, c-i, d-iii
a-iii, b-i, c-ii, d-iv
Correct Answer
Detailed Explanation
Primary treatment involves the physical removal of particles, including large ones, while secondary treatment focuses on biological processes. The effluent is the treated water, and primary sludge refers to the solid waste collected during the initial treatment phase.
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