Which among the following microorganisms are important in biological N2 fixation and nodulation in roots ?

(a) Rhizobium

(b) Azotobacter

(c) Rhodospirillum

(d) Frankia  

1
(b) and (c)
2
(c) and (d)
3
(a) and (c)
4
(a) and (d)

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation