Q.

From the list given below select the character which can be acquired but not inherited:

1 Colour of eye  
2 Colour of skin  
3 Size of body  
4 Nature of hair  

Ans.

(3)

Environmental factors influence the development of acquired traits. It is because the availability of less or more food can modify the size of the body, it is an acquired feature. The other three—eye and skin colour, and nature of hair, are inherited characteristics from the parents.