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
Lysine is deficient in - 
Select and explain. 
A. Pulse, B. Wheat, C. Both of the above, D. None of the above
B: Wheat
Answer: B: Wheat 
Explanation: Pulses are deficient in methionine and cysteine. Wheat us deficient in lysine. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 580,579