1. Bacillus thuringiensis (Bt) strains have been used for designing novel:

2. Streptococcus is used in the preparation of:

3. Nif gene occurs in:

4. Azoila has symbiotic relationship with:

5. Term antibiotic was first used by :

6. A free living anaerobic nitrogen fixing bacterium is:

7. Citric acid is produced by:

8. In nostoc, enzyme nitrogenase occurs in :

9. Usnic acid is an antibiotic obtained from :

10. By anobacteria are useful biofertilizers in the; field of: