20. Which of the following is a period of the sensorimotorstage given by Piaget?
(1) 0-2 years
(2)1-3 years
(3) 4-8 years
(4)5-12 years
Ans-(1)0-2 years
Reason:- The behavior of a child during the sensorimotor stage lacks an of the ganised thinking process. It is the period of 0-2 years of age.