Botany-Sewage Treatment
NEET Botany Sewage Treatment Match the Following Question
Type: Match the Following-match the column-Easy-Class 12
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 |
A
a-i, b-ii, c-iii, d-iv
B
a-ii, b-i, c-iv, d-iii
C
a-iii, b-iv, c-i, d-ii
D
a-iv, b-iii, c-ii, d-i
Correct Answer
Option A
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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