Choose or find odd pair of words - (Farmer : Plough) , (Butcher : Chopper) , (Author : Book) , (Jockey : Tack) , (Lumberjack : Axe)

C. AUTHOR : BOOK

Choose or find odd word - Rain , Mist , Smoke , Fog

C. SMOKE

Choose or find odd word - Courteous , Humble , Civil , Polite , Honest

C. CIVIL

Choose or find odd word - Morarji Desai , Jawaharlal Nehru , Charan Singh , Lal Bahadur , S. Radhakrishnan

E. S. RADHAKRISHNAN

Choose or find odd word - Brook , Bridge , Stream , Canal

B. BRIDGE