on⋆(a)Gastric glands, salivary glands, tear glands, intestinal glands.AnswerTear GLAND is the odd one in this series because all the rest are associated with the process of digestion.⋆Question⋆(b) Pepsin, trypsin, chymotrypsin, lipase.AnswerLipase is the odd one in this series because all the rest are associated with digestion of protein while lipase is assscociated with digestion of fats.⋆Question⋆(c)Dipeptidase, amino peptidase, enterokinase, carboxypeptidase.AnswerCarboxypeptidase is the odd one in this series because all the rest are secreted by glands of small intestine , while carboxypeptidase is secreted by the pancreas.⋆Question⋆(d) Bile SALTS, bile pigment, gall BLADDER, pancreasAnswerPancreas is the odd one in this series because  bile salts, bile PIGMENTS, and gallbladder are not glands while pancreas is .⋆Question⋆(e) Oesophagus, intestine, STOMACH, kidneys.​AnswerKidneys is the odd one in this series because all the rest are asscoiated with digestion while kidney is the organ associated with the process of excretion.