Lysine is deficient in-

Ans. is 'b' i.e., Wheat If only one option is provided, the answer is wheat since rice has higher lysine content than wheat. Amino acid and tannin content in whole-grain cereals and tubers Food Lysine (g/16 g N) Threonine (g/16 g N) Methionine + cystine (g/16 g N) Tryptophan (g/16 g N) Amino acid scorea(%) Tannin(%) Brown rice 3.8 3.6 3.9 1.1 66 0.4 Wheat 2.3 2.8 3.6 1.0 40 0.4 Maize 2.5 3.2 3.9 0.6 43 0.4 Millet 2.7 3.2 3.6 1.3 47 0.6 Sorghum 2.7 3.3 2.8 1.0 47 1.6 Rye 3.7 3.3 3.7 1.0 64 0.6 Oats 4.0 3.6 4.8 0.9 69 1.1 Potato 6.3 4.1 3.6 1.7 100 Cassava 6.3 3.4 2.6 1.0 91 Yam 6.0 3.4 2.9 1.3 100