Sugarbeet is an indicator plant for

A. Phosphorus

B. Boron

C. Zinc

D. Sodium

Answer: Option D

Solution(By Examveda Team)

Sugarbeet is an indicator plant for Sodium. It is sensitive to sodium elements. Sugarbeet is used as a bioindicator plant for the detection of various herbicides also in the soil.
Indicator plants are those plants that can react to any abnormality in the soil and water whether it is nutrient deficiency, excess of any nutrient element or indication of any pest infection or disease.