This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Social & Preventive Medicine
Parboiling is done for- 
Select and explain. 
A. Milling process, B. Polishing of rice, C. Preservation of nutrition, D. Storage of rice
C: Preservation of nutrition
Answer: C: Preservation of nutrition 
Explanation: Ans. is 'c' i.e., Preservation of nutrition o Parboiling (partial cooking in steam) is technique of preserving the nutritive value of rice. In parboiling, greater parts of vitamins and minerals present in outer layer of the rice grain are driven into the deepar layers. With subsequent milling the nutrient are not removed.