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: Social & Preventive Medicine
Second degree of under nutrition means- 
Select and explain. 
A. Weight below 50% of the harvard standard, B. Weight below 60% of the harvard standard, C. Weight between 60% & K 1% of the harvard standard, D. Weight between 60 % & 71% of the harvard standard
D: Weight between 60 % & 71% of the harvard standard
Answer: D: Weight between 60 % & 71% of the harvard standard 
Explanation: Ans. is 'd' i.e., Weight between 60% & 71% of the ha rvard standard