This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
Inobesity, BMI is? 
Select and explain. 
A. >= 20, B. >=25, C. >=30, D. >= 40
C: >=30
Answer: C: >=30 
Explanation: Park's textbook of preventive and social medicine 23rd edition. *normal range of BMI-18.50-24.99 *pre obese:25-29.99 *obese class 1: 30 to 34.99. *obese class 2 : 35 to 39.99. *obese class 3 :>40