Name the most important elements required for a plant growth.
A
potassium , nitrogen, and phosphorus
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B
nitrogen , mercury and hydrogen
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C
zinc , lead and mercury
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D
oxygen , iodine and potassium
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Solution
The correct option is Apotassium , nitrogen, and phosphorus The most important elements that plants need, without which they won't thrive, are the three macronutrients: potassium, nitrogen, and phosphorus. Because they are basic building blocks of every plant are ATP, cell membranes and amino acids. Nitrogen is an element in every amino acid; ATP, which is the primary source of energy for all cells, contains phosphorus. Potassium is essential to a plant's ability to metabolize. This element also comprises up to two percent of a plant's weight.
So, the correct answer is 'Potassium, nitrogen, and phosphorus'.