Choose or find odd number - 2345 , 3456 , 5467 , 5678

C. 5467

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

D. SFXPMG

Choose or find odd word - Autocracy , Bureaucracy , Democracy , Diplomacy , Theocracy

D. DIPLOMACY

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

B. SALAMANDER : INSECT

Choose or find odd letter group - VYAKB , MYGHZ , LMVOX , FSYLD , QBSPN

D. FSYLD