This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
Soya bean is rich in - 
Select and explain. 
A. Lysine, B. Aspaic acid, C. Glycine, D. Alanine
A: Lysine
Answer: A: Lysine 
Explanation: Pulses are rich in lysine. They are poor in methionine and to a lesser extent cysteine. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 580