Some plant nutrients are nitrogen, phosphorus, chlorine, potassium, calcium, magnesium, sulphur, iron and manganese. They are essential for plants as they support normal growth, reproduction and may be involved in cellular reactions. These nutrients are grouped into macro nutrients and micro-nutrients.
Macro-nutrients:
The nutrients needed by plants in large amounts are called macro-nutrients. These are carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium and sulphur. Among the nine macro-nutrients, nitrogen, phosphorus and potassium are needed in greater amounts than the others. These three are called primary nutrients.
Micro-nutrients
The nutrients required by plants in very small amounts are called micro-nutrients. These are iron, manganese, copper, zinc, boron, molybdenum and chlorine.
Which one is not a source of carbohydrate ? | |||
Right Option : A | |||
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Which one is not a source of carbohydrate? | |||
Right Option : D | |||
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Which of the following are correct : (a) The nutrients needed by plants in large amounts are called macronutrients. (b) The nutrients required by plants in very small amounts are called micronutrients. (c) The nutrients needed by plants in large amounts are called micronutrients. | |||
Right Option : A | |||
View Explanation |
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