Question

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

• A. Calcium, sulphur and magnesium
• B. Nitrogen, phosphorus and potassium
• C. Zinc, boron and copper
• D. Calcium, zinc, copper

Answer 1

Answer: (B)

Nitrogen, phosphorus and potassium

There are 17 nutrients that essential for the growth of the plants. These nutrients are classified into two categories on the basis of requirement micronutrients (required in less amount) and macronutrient (required in large amount). The three primary nutrients needed for plant growth are nitrogen, phosphorous and potassium.

So, the correct answer is option B.