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) Primary sludge | (iv) Final treated water |
a-ii, b-i, c-iv, d-iii
a-iii, b-ii, c-i, d-iv
a-i, b-ii, c-iii, d-iv
a-ii, b-iv, c-iii, d-i
Correct Answer
Detailed Explanation
Primary treatment involves the physical removal of particles through filtration and sedimentation, while secondary treatment takes place in aeration tanks. The effluent is the final treated water after these processes, and primary sludge is the solid waste formed during primary treatment.
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