Queried GO terms:

  idGO:0009410   Detailed information
  nameresponse to xenobiotic stimulus
  namespacebiological_process
  alt_idGO:0017104
  def"Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a xenobiotic compound stimulus. Xenobiotic compounds are compounds foreign to living organisms." [GOC:jl]
  subsetgosubset_prok
  is_aGO:0042221 ! response to chemical stimulus

No monarch genes has this GO term.