Which of the following are not vestigial organs in human beings?

Rudimentary ear muscles ,third molars (wisdom teeth), body hair

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Ear pinna, patella, olecranon process

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Vermiform appendix and nictitating membrane of the eye

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Coccygeal tail vertebrae and scalp muscles

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Solution

The correct option is B Ear pinna, patella, olecranon process

Vestigial organs are rudimentary, non functional organs. They were functional in primitive human beings but not functional in the present Homo sapiens.

Ear pinna-helps to collect sound waves.

Patella or Knee cap articulates with femur and protects the knee joint.

Olecranon process of ulna serves for the attachment of muscles to the bones.

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Similar questions

Which of the following is the correct group of vestigial organs in man ?

a) Nictitating membrane, ear muscles, eyelids and coccyx

b) Appendix, coccyx, ear muscles and elbow joint

c) Wisdom tooth, coccyx, body hair and ear muscles

d) Wisdom tooth, body hair, Nictitating membrane and vermiform appendix

Body hair and nictitating membrane of an eye are vestigial organs.

Name the following

(a) Organism in which external ear (pinna) is present (b) Organism in which nictitating membrane is present.

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