Q. Grey spots of oat are caused by deficiency of

A) Mangenese
B) Iron
C) Copper
D) Zinc
Explanation

Deficiency of manganese (Mn) causes grey spots of oat.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.