Choose or find odd word - Feathers , Tentavles , Scales , Pseudopodia , Flagella

A. FEATHERS

Choose or find odd letter group - BCD , NPR , KLM , RQP , HGF

B. NPR

Choose or find odd pair of words - (Twigs : Nest) , (Wood : Furniture) , (Pitcher : Pottery) , (Gold : Ornaments)

C. PITCHER : POTTERY

Choose or find odd word - Aravalli hills , Shivalik hills , Mole hills , Satpura hills , Nilgiri hills

C. MOLE HILLS

Choose or find odd word - Hydrogen , Oxygen , Iodine , Nitrogen , Chlorine

C. IODINE