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McqMate
Q. |
Xenobiotics which are inherently resistant to microbial attack are called as: |
A. | Biodegradable |
B. | Persistent |
C. | All of the given options |
D. | Recalcitrant |
Answer» D. Recalcitrant | |
Explanation: The compounds that resist biodegradation and thereby persist in the environment are called recalcitrant. The recalcitrant xenobiotic compounds can be grouped into the following six types: (i) halocarbons; (ii) polychlorinated biphenyls; (iii) synthetic polymers; (iv) alkylbenzyl sulphonates; (v) oil mixture and (vi) others. |
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