Chapter 12 Improvement of Food Resources Questions-03
Questions
1. What are macro-nutrients and why are they called macronutrients?
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Answer
Macro-nutrients are the fundamental elements that are used by plants in more quantity. Macro-nutrients needed by the plants are
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Macro-nutrients as the constituent of protoplasm.
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Phosphorus, Nitrogen, and Sulphur are present in proteins.
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Calcium exists in the cell wall.
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Magnesium is a significant component of chlorophyll.
2. How do plants get nutrients?
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Answer
Soil is the main source of nutrients for plants. Plants absorb the dissolved nutrients by the roots from the soil. This water absorbed by the roots is transported by the xylem tissue throughout the plant body.
