Railways Sample Paper RRB (Group D) Sample Test Paper-11

  • question_answer
    Nitrogen fixing bacteria found in the root nodules of leguminous plant is: -

    A)  Saprophytic     

    B)  Parasitic

    C)  Symbiotic        

    D)  Autotrophic

    Correct Answer: C

    Solution :

    [c] Nitrogen-fixing bacteria from root nodules of Leguminous plants. Symbiosis, any of several living arrangements between members of two different species, including mutualism, commensalism, and parasitism. Both positive (beneficial) and negative (unfavorable to harmful) associations are therefore included, and the members are called symbionts.


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