A) Coccyx
B) Fingernails
C) Third molar of each side in each jaw
D) Segmental muscles of abdomen
Correct Answer: B
Solution :
Structures or organs which are present in an organism in a diminished size but no longer useful are called vestigial organ. About 90 vestigial organs have been reported from human body. These include coccyx (tail bone), third molar (wisdom teeth) and segmental muscles of abdomen.
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