Q1. What are macro-nutrients and why are they called macronutrients?
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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.
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-Macronutrients are those nutrients which are required in large amounts to maintain body functions and carry out daily activities. These provide calories or energy. Because it is needed in our body in large amounts it is called macronutrients.
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