Q: 31 (IES/2002)

Which of the following have the ability to fix atmospheric nitrogen ?
1. Azola
2. E. Coli
3. Cyanobacteria
4. Azospirillum

Select the correct answer from the codes given below : Codes :
stats: 
0,720,408,232,720,104,72

User login

For Search , Advanced Analysis, Customization , Test and for all other features Login/Sign In .