Bacillus thuringiensis (Bt) strains have been used for designing novel:
  • Bio-metallurigcal techniques
  • Bio-mineralization process
  • Bio-insecticidal plants
  • Bio-fertilizers
Streptococcus is used in the preparation of:
  • Wine
  • Idli
  • Paneer
  • Bread
Nif gene occurs in:
  • Peiiicillium
  • Rhizobium
  • Aspergillus
  • Streptococcus
Azoila has symbiotic relationship with:
  • Chlotfila
  • Anabaena
  • Nostoc
  • Tolypothrix
Term antibiotic was first used by :
  • Flemming
  • Pasteur
  • Waksman
  • Lister
A free living anaerobic nitrogen fixing bacterium is:
  • Rhizobium
  • Streptococcus
  • Azotobactor
  • Clostridium
Citric acid is produced by:
  • Rhizopus
  • Mucor
  • Aspergillus
  • Saccharomyces
In nostoc, enzyme nitrogenase occurs in :
  • Vegetative cells
  • Heterocysts
  • Both (a) and (b)
  • Only in hormogones
Usnic acid is an antibiotic obtained from :
  • Fungi
  • Bacteria
  • Lichens
  • Algae
By anobacteria are useful biofertilizers in the; field of:
  • Wheat
  • Maize
  • Rice
  • Sugarcane
Streptomycin is produced by:
  • By Streptomyces Scoleus
  • By Streptomyces fradiae
  • By Streptomyces venezueleae
  • By Streptomyces griseus
Antibiotics are:
  • Medicines
  • Toxin
  • Plants
  • Syrups
A free-living aerobic and non-photosynthetic nitrogen fixing bacterium is:
  • Anabaena
  • Clostridium
  • Azotobactor
  • Rhizobium
For retting of jute, the fermenting microbe is:
  • Methanophilic bacteria
  • Butyric acid bacteria
  • Helicobactor pylon
  • Streptococcus lactin
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