<prompt> Nitroprusside test is done for the diagnosis of which of the following diseases?PhenylketonuriaTyrosinemiaMaple syrup urine diseaseHomocystinuria  <response>: Nitroprusside test- for Homocystinuria Ferric chloride test- for Phenylketonuria Dinitrophenylhydrazine test- for Organic acidemia Maple syrup urine disease 