Choose or find odd word - Thiamine , Niacin , Trypsin , Riboflavin , Ascorbic acid

C. TRYPSIN

Choose or find odd letter group - JOT , OUT , FED , DIN , DOG

B. OUT

Choose or find odd word - Fish , Scorpion , Crab , Octopus , Crocodile

B. SCORPION

Choose or find odd word - Anger , Grief , Humorous , Kindness , Joy

C. HUMOROUS

Choose or find odd letter group - DXCLQZ, PFZUBM, XGKNTY, NWMBHJ, GJMQVX

B. PFZUBM