Question

In human beings, vestigial organs are

• A. Wisdom tooth, coocyx, nail, eye lid and vermiform appendix
• B. Wisdom tooth, coccyx, vermiform appendix., pancreas and elbow joint
• C. Wisdom tooth, coccyx, vermiform appendix, nictitating membrane and auricular muscles
• D. Coccyx, wisdom tooth, nail, auricular muscles

Answer 1

The correct option is C Wisdom tooth, coccyx, vermiform appendix, nictitating membrane and auricular muscles

• The structures present in an organism that has lost all or most of its original function in the course of evolution are called vestigial organs.
  
• In humans the vestigial organs include the muscles of the ear (Auricular muscles), wisdom teeth, the vermiform appendix, the coccyx, body hair, and the semilunar fold in the corner of the eye (nictitating membrane).
• Hence in human beings, vestigial organs are a wisdom tooth, coccyx, vermiform appendix, nictitating membrane and auricular muscles.
• So, the correct answer is 'Wisdom tooth, coccyx, vermiform appendix, nictitating membrane and auricular muscles'.