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Which of the following process helps in the uptake of heavy metals in bacteria?

(a) Bioaccumulation

(b) Bio augmentation

(c) Bioleaching

(d) Vermicomposting

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This interesting question is from Microbial Applications for Metal Removal topic in section Microbial Transformation of Heavy Metals of Environmental Biotechnology

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Correct answer is (a) Bioaccumulation

Explanation: Bio augmentation is usually the addition of any microbial culture to rapidly increase the rate of degradation of a pollutant in the environment. Bioleaching is the extraction of metals using microbes and Vermicomposting uses earthworms for composting purposes. Bioaccumulation in bacteria helps in the uptake of heavy metals in bacteria.

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