Question

Which one of the following changes involved is irrelevant, in the evolution of man?

(a) perfection of hand for tool making

(b) change of diet from hard nuts and hard roots to soft food

(c) loss of tail

(d) increase in the ability to communicate with others and develop community behaviour.

Answer 1

Here the correct answer is (c) loss of tail.

Explanation:

(a) In evolution of man, hands play a massive role such as grasping a stone to kill a prey.

(b) Dite have some role to the physiological changes of man, such as enzymatic Upgradation. The cecum has no role for enzyme production of man itself, but it shelters some of cellulase producing bacteria.

(c) loss of tail has no role in evolution as it don't support any merit or demerit for possessing the tail.

(d) social system helps in human evolution from behavioural aspects.