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What does biological method of waste treatment include?

(a) Inorganic compounds

(b) Isolated bio-components

(c) Toxic compounds

(d) Ethidium bromide

This question was addressed to me during an interview.

My doubt is from Microbial Transformations of Pesticides topic in chapter Microbial Transformations of Pesticides of Environmental Biotechnology

1 Answer

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Correct option is (b) Isolated bio-components

The explanation is: Biological method of treatment is based on the activity of biological compounds, hence isolated bio-component is an effective method of treatment, Ethidium bromide is carcinogenic, Inorganic and toxic compounds are not cost effective and also, harmful to the environment.

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