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In text questions of page no 206

Q. No. 1: What are macro-nutrients and why are they called macro-nutrients?
Ans:

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.

Q. No. 2: How do plants get nutrients?
Ans:

Plants get nutrients from air, water, and soil. Soil is the major source of nutrients. Thirteen of these nutrients are available from soil. The remaining three nutrients (carbon, oxygen, and hydrogen) are obtained from air and water.



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What are macro nutrients and why are they called macro-nutrients, How do plants get nutrients

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