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Railways Sample Paper RRB (Group D) Sample Test Paper-7

  • question_answer
    Which of the following crops would be preferred for sowing in order to enrich the soil with nitrogen?

    A)  Wheat 

    B)  Mustard

    C)  Sunflower.       

    D)  Gram

    Correct Answer: D

    Solution :

    [d] Gram would be preferred for sowing in order to enrich the soil with nitrogen. It is because gram is a leguminous crop. The root nodules of leguminous crop contains Rhizobium, a symbiotic bacterium that helps in fixing of nitrogen from Atmosphere.


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