Which of the following inborn errors of metabolism is associated with mental retardation -: (A) Alkaptonuria, (B) Homocystinuria, (C) Pentosuria, (D) All
Answer is B. Ans. is 'b' i.e., Homocystinuria Metabolic disorders associated with mental retardation. i) Aminoaciduria Phenylketonuria, homocystinemia, histidinemia ii) Galactosemia iii) Mucopolysaccharidosis