NEET Botany Sewage Treatment Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Primary Treatment | (i) Aeration tanks |
| (b) Secondary Treatment | (ii) Filtration and sedimentation |
| (c) Effluent | (iii) Primary sludge |
| (d) Sludge | (iv) Treated water |
a-i, b-ii, c-iv, d-iii
a-ii, b-i, c-iii, d-iv
a-ii, b-iv, c-i, d-iii
a-ii, b-iii, c-i, d-iv
Correct Answer
Detailed Explanation
In sewage treatment, primary treatment involves filtration and sedimentation (a-ii), while secondary treatment involves aeration tanks (b-i). The effluent is the treated water (c-iv) and the sludge refers to the primary sludge (d-iii) formed during the primary treatment process.
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