Niemann-Pick disease is due to deficiency of: (A) Hexosaminidase, (B) Sphingomyelinase, (C) Galactokinase, (D) Glucosidase
Answer is B. It is a lipid storage disease, due to deficiency of sphingomyelinase. Leads to the accumulation of sphingomyelin.Ref: DM Vasudevan, 7th edition, page no: 193