Lack of Vitamin B_1 causes:

The correct answer is Option (1) → Beri beri

Vitamins are needed in small amounts, and the lack of each causes a particular deficiency disease. Vitamin B₁ (thiamine), found in yeast, milk, green vegetables and cereals, is a water-soluble vitamin that cannot be stored in the body; its deficiency causes beri beri (loss of appetite, retarded growth).

NCERT (2026-27 edition):
Classification of Vitamins – …