Which of the following is not a constituent of Glycosphingolipid: (A) Sphingosine, (B) Fatty acid, (C) Glycerol, (D) Carbohydrate
Answer is C. Glycosphingo lipid are made up of 
Sphingosine + Fatty acid + Carbohydrate group.
eg:- Cerebrosides, Gangliosides, Glubosides.