SSC General Science & Technology Sample Paper NCERT Sample Paper-6

  • question_answer
    Due to which of the following organism, yield of rice has been increased?

    A)  Sesbania          

    B)  Anabaena

    C)  Bacillus popilliae

    D)         Bacillus polymena

    Correct Answer: B

    Solution :

    [b] Anabaena is a nitrogen fixing bacteria. It increases nitrogen content of soil by which yield of rice has been increasing.

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