Which of the following is a symbiotic nitroger fixer?
Azotobacter
Frankia
Azolla
Glomus
Symbotic nitrogen fixing bacteria -
1. Rhizobium - associated with roots of legume plants
2. Azolla (water fern) - associated with Anabaena azollae
3. Coralloid roots of Cycas -associated with Anabaena and Nostoc
-
Option 1)
Azotobacter
Incorrect Option
Option 2)
Frankia
Correct Option
Option 3)
Azolla
Incorrect Option
Option 4)
Glomus
Incorrect Option
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