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
Physical Quality of life Index Components 
Select and explain. 
A. Life expectancy at bih, B. Knowledge, C. Life expectancy at age one, D. Standard of Living
C: Life expectancy at age one
Answer: C: Life expectancy at age one 
Explanation: Components of PQLI:Infant Moality Life expectancy at age oneLiteracyPQLI is scaled from 0 to 100.