This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
Not included in human development index- 
Select and explain. 
A. Life expectancy at 1 year, B. GNI per capita, C. Years of schooling, D. Knowledge
A: Life expectancy at 1 year
Answer: A: Life expectancy at 1 year 
Explanation: Human development index is defined as a composite index focusing on three basic dimensions of human development: life expectancy at bih, knowledge(years of schooling), GNI per capita. Ref: Park&;s Textbook of Preventive and Social Medicine, 25th edition, Page no. 17