UPSC Biology Strategies for Enhancement in Food Production / खाद्य उत्पादन में वृद्धि के लिए रणनीतियाँ Question Bank Food Production

  • question_answer
          Nitrogen, Phosphorus, Potassium are examples of

    A) micro-nutrients  

    B)          macronutrients

    C) fertilizer                 

    D)          both [a] and [b]

    Correct Answer: B


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