Specialized cells for fixing atmospheric nitrogen in Nostoc are
Akinetes
Heterocysts
Hormogonia
Nodules
As we learnt in
Cyano bacteria / Blue green algae -
Eg. Nostoc and anabaena,
- wherein
Eg. Trichodesmium erythreum, Nostoc commune.
Correct option is 2.
Option 1)
Akinetes
Incorrect
Option 2)
Heterocysts
Correct
Option 3)
Hormogonia
Incorrect
Option 4)
Nodules
Incorrect