Following hormones are produced by endocrinal part of pancreas, except:: (A) Insulin, (B) Somatostatin, (C) Glucagon, (D) Bombesin
Answer is D. Bombesin is a 14 amino acid peptide isolated from amphibian skin, which was found to have stimulatory effects upon gastric and pancreatic secretions, release of gastrointestinal hormones,  gallbladder contraction and bronchoconstriction.