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6.Evolution
normal
Which of the following is the vestigial organ in human beings?
A
Nictitating membrane
B
Spleen
C
Femur
D
Tibia
Solution
Vestigial organs are non-functionl organs in an organism, These are nonfunctional in related animals and were functional in the ancestors. There are $90$ vestigial organs in human body and mainly include coccyx, nictitating membrane $(3^{rd}$ eyelid$),$ caecum, vermiform appendix, canines, wisdom teeth, body hair, etc.
Standard 12
Biology