When Fe contents in plants falls below or equal to . . . . . . . . ppm, deficiency in likely to occur

A. 50

B. 80

C. 40

D. 120

Answer: Option A

Solution(By Examveda Team)

When Fe contents in plants fall below or equal to 50 ppm, deficiency is likely to occur in plants.
Iron helps the plant move oxygen throughout the roots, leaves and other parts of the plant, producing the green colour that shows the good health status of the plant.