ANSWER : Parot

EXPLANATION : .All others are the birds of prey.

ANSWER : F34J

EXPLANATION : . In all other groups, number between first and second letter is twice the sum of positions of first and last letters in the alphabet.

ANSWER : KGIH

EXPLANATION : . In other group of words there is a gap of one letter as in the alphabet between first and fourth letters.

ANSWER : NPT

EXPLANATION : . In all other groups there is a gap of one letter between first and second letters and gap of two letters between second and third letters.

ANSWER : A foul Smell

EXPLANATION : . All other terms are generally used for pleasant `Smell’.