Question

Write the name of the disease caused by the deficiency of Vitamin-B₁₂ and Vitamin A. Also, write the source of these vitamins.

Answer 1

Vitamin	Deficiency Disease	Sources
B12	Pernicious anaemia, inflammation of tongue and mouth	Milk, egg and animal tissues
A	Night blindness, stunted growth, xerosis (drying of the skin, xerophthalmia(cornea becomes opaque))	Milk, butter, egg, fish and fish oil. It can also be synthesized in the body from carotenoids present in carrots, tomatoes, ripe mangoes etc. Carotenoids are the precursors of vitamin A.