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  3. Railways

Railways Sample Paper RRB (Group D) Sample Test Paper-2

  • question_answer
    Study of crop production is..................

    A)  Entology                      

    B)  Ecology

    C)  Botany            

    D)  Agronomy

    Correct Answer: D

    Solution :

    [d] Agronomy is the science and technology of producing and using plants for food, fuel, fiber, and land reclamation


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