Major constituent of surfactant is -: (A) Dipalmitoyl lecithine, (B) Dipalmitoyl cephaline, (C) Dipalmitoyl serine, (D) Dipalmitoyl inositol
Answer is A. Ans. is 'a' i.e., Dipalmitoyl lecithin o The major (65%) constituent of surfactant is dipalmitoylphosphatidylcholine (dipalmitoyl-lecithin); which is a phospholipid.