Which of the following are the primary nutrients needed for plant growth?

Calcium, sulphur and magnesium

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Nitrogen, phosphorus and potassium

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Zinc, boron and copper

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Calcium, Zinc, Copper

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Solution

The correct option is B
Nitrogen, phosphorus and potassium

The three primary nutrients needed for plant growth are nitrogen (N), phosphorus (P) and potassium (K). They are commonly given together and are known as NPK. Nitrogen is a vital component of chlorophyll, phosphorous is vital for plant's growth and maturity and potassium regulates the intake of carbon dioxide by regulating the opening and closing of stomata.

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