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NEET Biology Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली Question Bank Cyanobacteria or Blue Green Algae

  • question_answer
    Nitrogen fixation by Nostoc takes place in         [MP PMT 1996; Orissa JEE 2004]

    A)            Heterocysts                              

    B)            Vegetative cells

    C)            Akinetes                                   

    D)            Hormogonia

    Correct Answer: A

    Solution :

       Heterocysts are airtight anaerobic bodies in which enzyme nitrogenase fixes atmospheric nitrogen.


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