Q. Character which is closely related to human evolution :
(a) Disappearance of tail
(b) Binocular vision
(c) Flat nails
(d) Reduction in size of jaws
Solution :
Correct option : A Humans differ from most primates in that they lack a tail. The lower primates have tails, and the apes, which are believed by many to be our closest relatives, likewise are tailless.
So, the correct answer is ‘disappearance of tail’.