Rhizobium lives symbiotically with root nodules and fixes atmospheric nitrogen. It provides nitrogenous compounds to the host and in turn takes food from the host. This food taken by the bacterium is:

  • A
    Fats
  • B
    Proteins
  • C
    Carbohydrates
  • D
    Any of these

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Select the correct statement.

What is the function of leghemoglobin?

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Symbiotic nitrogen fixation in non-leguminous plants is carried out by

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