Answer- D. Low fat mobilizationExcessive fatty acid mobilization (not the Low fat mobilization) from adipose tissues leads to ketosis in Von-Gierke's disease.Type I glycogen storage disorder, inherited as autosomal recessive, due to the deficiency of glucose-6 phosphatase.Excessive fatty acid mobilization from adipose tissues leads to ketosis.Deficiency of glucose-6 phosphatase leads to low blood sugar and hypoglycemic attacks.