Choose or find odd letter group - CFIL, PSVX, JMPS, ORUX, QTWZ

B. PSVX

Choose or find odd letter group - JOEHNP , LZKMSU , GWOURV , SFXPMG , TQUHOS

D. SFXPMG

Choose or find odd pair of words - (Whale : Mammal) , (Salamander : Insect) , (Snake : Reptile) , (Frog : Amphibian)

B. SALAMANDER : INSECT

Choose or find odd word - Rhinoceros , Lion , Deer , Ass , Cow

D. ASS

Choose or find odd letter group - FAA , OFF , ATT , IFF , EPP

A. FAA