This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins, Fats, Rich Sources, Subject name: Social & Preventive Medicine
Soya bean contains protein to the tune of: 
Select and explain. 
A. 20%, B. 40%, C. 60%, D. 80%
B: 40%
Answer: B: 40% 
Explanation: Remember Protein content of foods: Food item Protein content (gm % per 100 gms) Soyabean 43.2 - highest quantity of proteins Pulses 21-28 Fish 15-23 Meat 18-26 Egg (hen) 13 Cereals 6-13 Milk (cow) 3.2-4.3 Extra edge: - Highest Quality of protein is seen in EGG, hence, it is used as REFERENCE PROTEIN.