This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
IQ (Intelligence quotient) of a child means – 
Select and explain. 
A. The creative effciency of child, B. The capability of the child to perfrom intellectual tasks in relation to other children of same age, C. The efficiency of memory of child, D. Quantification of the learning ability of child
B: The capability of the child to perfrom intellectual tasks in relation to other children of same age
Answer: B: The capability of the child to perfrom intellectual tasks in relation to other children of same age 
Explanation: tasks in relation to other children of same age.