Choose or find odd letter group - XW , FG , ML , PO , TS

B. FG

Choose or find odd letter group - ACE , PRT , UWY , MNO , GIK

D. MNO

Choose or find odd letter group - PEAR , TORE , REAP , TEAR , LEAR

B. TORE

Choose or find odd pair of words - (Mason : Wall) , (Cobbler : Shoe) , (Farmer : Crop) , (Chef : Cook) , (Choreographer : Ballet)

D. CHEF : COOK

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

D. HEART