Q. Necrosis in crops is due to the deficiency of
A) Ca, K, S, and Mo
B) N, K, S and Mo
C) N, S, Fe and Zn
D) Mg, S, Mn and Ca
Explanation
Deficiency of sulphur leads to 1.Chlorosis followed by necrosis 2.Change in pigmentation Deficiency of calcium leads to 1.Stunted growth 2.Chlorosis 3.Necrosis and curling Deficiency of potassium leads to 1.Chlorosis followed by necrosis 2.Widespread blackening Deficiency of molybdenum leads to 1.Marginal necrosis 2.Whiptail disease
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.