Bitot’s spot is a sign of:

Correct option is A

Sol. Bitot’s spots are foamy patches on the conjunctiva, commonly due to vitamin A deficiency. Explanation of each option: ● (a) Vitamin A – Correct answer. Deficiency leads to xerophthalmia and Bitot’s spots. ● (b) Vitamin B6 – Deficiency causes glossitis, cheilitis, not eye symptoms. ● (c) Vitamin D – Causes rickets/osteomalacia, not eye-related signs. ● (d) Vitamin E – Deficiency linked to neurological issues, not eye symptoms.