RAJASTHAN PMT Rajasthan - PMT Solved Paper-2011

  • question_answer
    Leghaemoglobin in root nodules of legumes

    A)  protects nitrogenase

    B)  converts \[{{N}_{3}}\] to \[N{{H}_{3}}\]

    C)  oxidizes \[N{{O}_{2}}\] to \[N{{O}_{3}}\]

    D)  helps in development of infection threads

    Correct Answer: A

    Solution :

    Leghaemoglobin is pinkish colour, closely related to haemoglobin and helpful in creating optimal condition for nitrogen fixation. It acts as an oxygen scavenger (oxygen inhibits nitrogenase enzyme).


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