Umbilical artery is a branch of: (A) Coeliac artery, (B) Superior mesenteric artery, (C) Anterior division of internal iliac artery, (D) Posterior division of internal iliac artery
Answer is C. Anterior division of internal iliac artery

A part of Umbilical artery persists as superior vesical artery and remaining artery becomes obliterated forming medial umbilical ligament.