Basic general knowledge

31. Nowadays many novel chemicals are being synthesized termed as xenobiotics. The unique feature of these is what they are I.biodegradable II.non- biodegradable III.pose on environmental threat IV.they are environment friendly

I, III
II, III
I, III, IV
II, III, IV

Detailed SolutionNowadays many novel chemicals are being synthesized termed as xenobiotics. The unique feature of these is what they are I.biodegradable II.non- biodegradable III.pose on environmental threat IV.they are environment friendly

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