The odd one out game

Which of the following doesn’t belong? Please state your reason.

(1) cat, dog, turtle, elephant

Reason:

(2) lion, cat, tiger, bear

Reason:

(3) human, dolphin, shark, whale

Reason:

(4) angry, happy, violence, jealous

Reason:

(5) war, flood, drought, plague

Reason:

(6) eagle, owl, bat, penguin

Reason:

(7) doctor, psychologist, priest, poet

Reason:

(8) archeologist, sociologist, historian, paleontologist

Reason:

(9) helicopter, airplane, bus, bird

Reason:

(10) novel, newspaper, magazine, radio broadcast

Reason: