Which is not vestigial in humans

Ear pinna, patella, olecranon process

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Scalp muscles, cocygeal vertebrae

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Ear muscles, third molars

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Vermiform appendix, nictitating membrane

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Solution

The correct option is A Ear pinna, patella, olecranon process
The organs which are present in the reduced form and do not perform any function in the body but corresponds to the fully developed functional organs of related animals are called vestigial organs. They are remnants of organs which were complete and functional in their ancestors.
So, the correct option is 'Ear pinna, patella, olecranon process'

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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

Vermiform appendix is a vestigial organ in humans but not so in cows.

Name the following

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

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