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Question
Which organism(s) play an important role in the nitrogen cycle?
Which organism(s) play an important role in the nitrogen cycle?
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Solution
The correct options are
A Rhizobium
B Nostoc
C Anabena
∙ Rhizobium is found in the root nodules of leguminous plants. These bacterias convert the atmospheric nitrogen into nitrates which can be directly absorbed by the plants.
∙ Anabena is a blue-green algae that also helps in the nitrogen fixation process.
∙ Nostoc is a cyanobacteria that also helps in nitrogen fixation.
∙ Plasmodium is parasite which causes a disease called malaria.
A Rhizobium
B Nostoc
C Anabena
∙ Rhizobium is found in the root nodules of leguminous plants. These bacterias convert the atmospheric nitrogen into nitrates which can be directly absorbed by the plants.
∙ Anabena is a blue-green algae that also helps in the nitrogen fixation process.
∙ Nostoc is a cyanobacteria that also helps in nitrogen fixation.
∙ Plasmodium is parasite which causes a disease called malaria.
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