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
Highest biological value of protein is seen in ? 
Select and explain. 
A. Eggs, B. Fish, C. Soyabean, D. Gram
A: Eggs
Answer: A: Eggs 
Explanation: Ans. is 'a' i.e., Egg Egg protein is considered to be the best food protein by nutritionists. Net protein utilization, which combines in a single value, the biological value and digestibility is 100 for egg compared to 80 for meat and 75 for milk. Egg protein therefore is used as a reference protein. It is taken as the standard protein, against which the quality of other proteins is compared.