Which of the following is a correct statement about nitrogen fixation?

1.	Which of the following is a correct statement about nitrogen fixation? (a) Plants convert atmospheric nitrogen to ammonia. (b) Ammonia is converted to N2, which is the form of nitrogen most easily absorbed by plants. (c) Mutant strains of rhizobium are able to secrete excess protein into the soil. (d) The enzyme nitrogenase reduces N2 to form ammonia.
Answer» (d) The enzyme nitrogenase reduces N₂ to form ammonia. Explanation: The enzyme nitrogenase reduces N₂ to form ammonia. Mutant strains of Rhizobium are not able to secrete excess protein into the soil.

Which of the following is a correct statement about nitrogen fixation? (a) Plants convert atmospheric nitrogen to ammonia. (b) Ammonia is converted to N2, which is the form of nitrogen most easily absorbed by plants. (c) Mutant strains of rhizobium are able to secrete excess protein into the soil. (d) The enzyme nitrogenase reduces N2 to form ammonia.

Answer»

(d) The enzyme nitrogenase reduces N₂ to form ammonia.

Explanation:

The enzyme nitrogenase reduces N₂ to form ammonia. Mutant strains of Rhizobium are not able to secrete excess protein into the soil.

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