Which of the following can fix atmospheric
nitrogen ?
(a) Albugo (b) Cystopus
(c) Saprolegnia (d) Anabaena
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Answer:
cystopus can fix the atmospheric nitrogen
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Anabaena is the nitrogen fixing bacteria
Explanation:
Nitrogen fixation is a process through which the nitrogen that are present in the air is converted to ammonia or other nitrogenous compound and in found in the soil.
Anabaena is a filamentous cyano bacteria that helps in the process of nitrogen fixation mechanism as they have the ability and thus they make a symbiotic relationship between the plants.
Anabaena contain heterocystes cells that specially helps in fixing the nitrogen as it transforms the dinitrogen into ammonia by the activity of PS I
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