Botany-Sewage Treatment
NEET Botany Sewage Treatment Match the Following Question
Type: Match the Following-match the column-Hard-Class 12
Match Column-I with Column-II.
Column-I Column-II (a) Primary treatment (i) Biological removal of organic matter (b) Secondary treatment (ii) Filtration and sedimentation (c) Primary sludge (iii) Effluent from primary treatment (d) Aeration tanks (iv) Mechanical agitation and air pumping
Choose the correct matching:
A
a-ii, b-i, c-iii, d-iv
B
a-i, b-ii, c-iv, d-iii
C
a-iii, b-iv, c-i, d-ii
D
a-ii, b-iv, c-i, d-iii
Correct Answer
Option A
Detailed Explanation
Primary treatment involves physical removal of sewage particles through filtration and sedimentation, while secondary treatment focuses on the biological removal of organic matter using aeration tanks that agitate the mixture and introduce air.
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