Question

Q1. What are macro-nutrients and why are they called macronutrients?​

Answer 1

Answer:

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Explanation:

Macro-nutrients are those nutrients which are required in large quantities for growth and development of plants. Since they are required in large quantities, they are known as macro-nutrient. The six macro-nutrients required by plants are nitrogen, phosphorus, potassium, calcium, magnesium, and sulphur.

Answer 2

Ans:

Macro-nutrients are the fundamental elements that are used by plants in more quantity. Macro-nutrients needed by the plants are:

• Macro-nutrients as the constituent of protoplasm

• Phosphorus, Nitrogen, Sulphur are present in proteins

• Calcium is existing in cell wall

• Magnesium is significant component of chlorophyll