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NEET AIPMT SOLVED PAPER 2001

  • question_answer
                    Which of the following is the pair of biofertiJizers?                                                                          

    A)                 Azolla and BGA

    B)                 Nostoc and legume        

    C)                 Rhizobium and grasses                 

    D)                 Salmonella and E. coli

    Correct Answer: A

    Solution :

                                              Anabaena azollae a cyanobacterium living in the cavities of Azolla leaves, fixes nitrogen from air and excretes nitrogenous compound. BGA. (Blue-Green Algae-Cyanobacteria) are also nitrogen fixers.


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