9th Class Science Improvement in food resources Question Bank 9th CBSE Science Improvement in food resources

  • question_answer
      What mineral nutrients are supplied to the plants by air, water and soil?  

    Answer:

                      Air supplies two nutrients to plants namely carbon and oxygen. Water supplies hydrogen and soil supplies thirteen nutrient elements to the plants among these thirteen nutrients, six are macronutrients and the other seven nutrients are micronutrients. Macronutrients are nitrogen, phosphorus potassium, calcium, magnesium and sulphur while the micronutrients an iron, manganese, boron, zinc, copper, molybdenum and chlorine,  


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