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.