Question : Xenobiotics which are inherently resistant to microbial attack are called as:
Option 1: Biodegradable
Option 2: Persistent
Option 3: All of the given options
Option 4: Recalcitrant
Correct Answer: Recalcitrant
Solution : The correct answer is Recalcitrant.
Xenobiotics are chemical substance which are not originally supposed to be the part of an animal life. For example- Persistent organic pollutants, DDT, malathion, caffeine etc. Xenobiotics whch are resistant to microbial action are known as Recalcitrant. They are also classified into different types- Synthetic polymers, halocarbons, polychlorinated biphenyls etc.
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