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
Rice protein is deficient in ? 
Select and explain. 
A. Methionine, B. Cysteine, C. Lysine, D. Tryptophon
C: Lysine
Answer: C: Lysine 
Explanation: Ans. is c. i.e., Lysine "A rice diet is deficient in lysine and theronine"