Question:

Essential elements are

Updated On: Jul 6, 2022
  • only macronutrients
  • only micronutrients
  • both macro and micronutrients
  • $C$, $H$, $O$ and $N$ only
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The Correct Option is C

Solution and Explanation

An essential element is the one which has a specific structural or physiological role and without which plants cannot complete their life cycle. These essential elements are classified into two broad categories called macronutrients and micronutrients.
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Concepts Used:

Mineral Nutrition

The naturally occurring inorganic nutrient found in the soil and food that is necessary for the proper functioning of animal and plant bodies is defined as nutrition. Minerals are vital elements essential for the body.

Read More: Mineral Nutrition

Role of Nutrients:

  1. Balancing function
  2. Maintenance of osmotic pressure
  3. Influencing the pH of the cell sap
  4. Construction of the plant body
  5. Catalysis of the biochemical reaction
  6. Effects of Toxicity