Choose or find odd word - Doe , Bitch , Sorceress , Drone , Mare

D. DRONE

Choose or find odd word - Biscuits , Chocolate , Cake , Bread , Pastry

B. CHOCOLATE

Choose or find odd pair of words - (Atom : Electron) , (Train : Engine) , (House : Room) , (Scooter : Gears) , (Curd : Milk)

A. CURD : MILK

Choose or find odd word - Sepals , Bud , Filament , Stamens , Pistil

B. BUD

Choose or find odd number - 27 , 125 , 343 , 729 , 1321

E. 1321