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
[{'content': 'Highest protein content is in \nSelect and explain. \nA. Red gram, B. Black gram, C. Soya bean, D. Bengal gram', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Soya bean is richest among pulses. It contains 43.2 % proteins (other pulses contain 17 - 25 % proteins)\n100 gms Soya bean contain 43 gms proteins, 20 gms fat and 4 gms minerals\nLimiting amino acid in soya bean is methionine\nNPU of soya bean is 55.\nSoyabean also has higher fats, calcium, iron, vitamin B1/B2/B3 than other pulses.', 'role': 'assistant'}]