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Which of following foreign substances are chemical in nature and naturally found within an organism?

(a) Xenobiotics

(b) Bio-leaching

(c) Bio-remediation

(d) Bio-fortification

This question was addressed to me in an international level competition.

Enquiry is from Microalgal Culture in section Biotechnological Approaches of Microalgal Culture of Environmental Biotechnology

1 Answer

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Correct answer is (a) Xenobiotics

To explain I would say: Xenobiotics are the foreign substances which are chemical in nature found and within an organism which is produced naturally by the body or they may be present in excess amounts than usual, Bio-remediation is a process used to treat contaminated media using microbial methods, bio-fortification is a process which is used to increase the nutritional quality of crops, bio-leaching is a process used for extraction of metals.

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