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Tardigrade
Question
Biology
Primary sludge
Q. Primary sludge
288
158
Microbes in Human Welfare
Report Error
A
possesses floes of decomposer microbes
44%
B
requires aeration for formation
19%
C
involves little decomposition
26%
D
forms during secondary sewage treatment
11%
Solution:
Primary sludge possesses floes of decomposer (aerobic) microbes, which consume a major part of the organic matter in the effluent to reduce the BOD.