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
[{'content': 'Cereals and pulses are considered complementary since - \nSelect and explain. \nA. Cereals are dificient in methionine, B. Cereals are deficient in methionine and pulse are deficient in lysine, C. Cereals are deficient in lysine and pulses are deficient in methionine, D. Cereal proteins contain non-essential amino acids, while pulse proteins contain', 'role': 'user'}, {'content': "Answer: C \nExplanation: - cereal protein are deficient in lysine and threonine and pulse protein in methionine. - these are known as limiting aminoacid. - when two or more of vegetarian foods are eaten together, their protein supplement one another. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:610 <\\p>", 'role': 'assistant'}]