(C) Beneficial elements are those that are required by higher plants in addition to the essential elements,such as $Na$,$Si$,$Co$,and $Se$. Potassium

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(C) Beneficial elements are those that are required by higher plants in addition to the essential elements,such as $Na$,$Si$,$Co$,and $Se$. Potassium $(K)$ is classified as an essential macronutrient,not a beneficial element. Therefore,$K$ is the correct answer.