Question

Non-mineral essential elements are:

• A. Carbon, Hydrogen and Oxygen
• B. Hydrogen, Nitrogen and Sulphur
• C. Hydrogen, Nitrogen and Fluorine
• D. Chlorine, Fluorine and Nitrogen

Answer 1

The correct option is A Carbon, Hydrogen and Oxygen

The plant requires many essential elements for normal growth and development. These are called essential elements. Mineral elements are those elements that plant absorbs from the soil. The essential mineral elements include nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, chlorine, iron, manganese, zinc, copper, molybdenum, and nickel. The essential nonmineral elements include oxygen, hydrogen, and carbon.

Thus, the correct answer is option A.