-
Nitrogen fixation in root nodules of Alnus is brought about by :
-
- Bradyrhizobium
- Clostridium
- Frankia
- Azorhizobium
Correct Option: C
Nitrogen fixation in root nodules of Alnus is brought about by Frankia. It is a symbiotic nitrogen fixing bacteria in root nodules of several non-legume plants like Casuarina (Australian Pine), Myrica and Alnus (Alder).