Choose or find odd word - Ear , Lung , Eye , Heart , Kidney

D. HEART

Choose or find odd word - Archaeology , Ecology , Epigraphy , Palaeontology

B. ECOLOGY

Choose or find odd word - Pupil , Iris , Cornea , Medulla , Retina

D. MEDULLA

Choose or find odd word - Actor , Artist , Musician , Dancer , Poet

E. POET

Choose or find odd word - Goblin , Goblet , Imp , Gnome , Djinn

B. GOBLET