Nitrogen fixation by bacteria occurs only in the root nodules of leguminous plants.
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Q37: Which of the following is mismatched?
A)CO₂ +
Q38: Sedimentation of sludge occurs in
A)anaerobic sludge digestion.
B)primary
Q39: Zoogloea form flocculent masses in
A)anaerobic sludge digestion.
B)primary
Q40: The product of which process contains the
Q41: The release of phosphate-containing detergents into a
Q43: Coliforms detected in water samples always have
Q44: Bioaugmentation involves
A)adding nitrogen and phosphorus to an
Q45: The dense growth of algae in an
Q46: Bioremediation involves the use of microbes to
Q47: The BOD is a measurement of the
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