6. A child starts recognizing various aspects of size, weight, color, time, etc. , by the age of
(1) six
(3) two
(2) four
(4) eight
Ans- (1) six
Reason:- Around the age of 5, a child starts differentiating between high and low, heavy and light, fast and slow,etc. He/ she also starts exploring the surroundings and answering questions related to how and why.