Khaira disease in rice is caused by deficiency of

A. Iron

B. Hydrogen sulfide

C. Silicon

D. Zinc

Answer: Option D

Solution(By Examveda Team)

Khaira disease is associated with paddy. It is micro nutritional deficiency disease characterized by the presence of dusty brown patches on leaves which ultimately undergo necrosis. It affects the leaf of the plant because of which the rate of photosynthesis is decreased ultimately affecting the production. The essential nutrient responsible for khaira disease in rice is Zinc.