Mineral Nutrition Question 46
46. Which of the following is a symbiotic nitroger fixer?
[2009]
(a) Azotobacter
(c) Azolla
(b) Frankia
(d) Glomus
Show Answer
Answer : b
Hints & Solution
(b) Frankia is a symbiotic nitrogen fixer in root nodules of several non-legume plants like Casurina and Alnus.