2. Solved Papers
  3. Haryana PMT

Haryana PMT Haryana PMT Solved Paper-1999

  • question_answer
    Which of the following can use elemental nitrogen as their nitrogen source?

    A)  Anabaena                         

    B)  Rhizobium

    C)  Azotobacter                                     

    D)  All of these

    Correct Answer: D

    Solution :

                     Not Available


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