<prompt> Sphingomyelinase deficiency is a feature of -Niemann pick diseaseTay Sachs diseaseKrabbes diseaseFabrys disease  <response>: Ans. is a i.e., Niemann pick diseaseLipid storage disordersDisorderEnzyme defectGauchers diseaseb glucosidaseNiemann Pick diseaseSphingomyelinaseFabrys diseasea galactosidaseGM1 gangliosidosisb galactosidaseGM2 gangliosidosisHexosaminidase ASandhoff s diseaseHexosaminidase A and BKrabbes diseaseGalactosyl ceramidaseMetachromatic leukodystrophyAryl Sulfatase AFarbers diseaseCeramidaseWolmans diseaseAcid lipase 