This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: obstetrics,pediatrics and geriatrics, Subject name: Social & Preventive Medicine
Which state has the lowest IMR 
Select and explain. 
A. Uttar Pradesh, B. Kerala, C. Tamil Nadu, D. Maharashtra
B: Kerala
Answer: B: Kerala 
Explanation: Ref:Park's Textbook of Preventive and Social Medicine 25th Ed