<prompt> Which is phase - II drug metabolic reaction -OxidationCyclizationMethylationHydrolysis  <response>: Ans. is c i.e., Methylation .o Phase I reactions : - Oxidation, reduction, hydrolysis, cyclization, decyclization.o Phase II reactions : - Acetylation, glutathione conjugation, glucoronide conjugation glucuranization, glycine conjugation, methylation, sulfate conjugation sulfuranation, nucleotide synthesis. 