Choose the word which is different from the rest.
...In the question below, five words have been given, out of which four are alike in some manner, while the fifth one is different. Choose the word which is different from the rest.
Choose the word which is different from the rest.
Mandible
Rib
Sternum
Ulna
Pinna
Correct answer is E
All except Pinna are bones, while pinna is the external part of an ear.