NEET Botany Mineral Nutrition Questions Solved

NEET - 2009

Which of the folowing is a symbiotic nitrogen fixer?
(a) Glomus
(b) Azotobacter
(c) Frankia
(d) Azolla

(c) Casuarina tree has nitrogen fixing root nodules that harbor a filamentous streptomycete like symbiotic nitrogen fixing organism, called Frankia.

Difficulty Level:

  • 19%
  • 21%
  • 47%
  • 15%