Atmospheric nitrogen-fixation is carried on by

Funaria

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Anabaena

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Chlamydomonas

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Fern gametophyte

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Solution

The correct option is B Anabaena
Anabena is cyanobacteria. It contains heterocysts, which are the organs of nitrogen fixation. Enzyme nitrogenase is present in heterocysts, which is required for nitrogen fixation.

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Atmospheric nitrogen-fixation is carried on by

The correct option is B AnabaenaAnabena is cyanobacteria. It contains heterocysts, which are the organs of nitrogen fixation. Enzyme nitrogenase is present in heterocysts, which is required for nitrogen fixation.

The correct option is B Anabaena
Anabena is cyanobacteria. It contains heterocysts, which are the organs of nitrogen fixation. Enzyme nitrogenase is present in heterocysts, which is required for nitrogen fixation.