Home » Advanced Botany » Mineral Nutrition » Question
  1. One of the free -living, anaerobic nitrogen - fixer is :
    1. Beijernickia
    2. Rhodospirillum
    3. Rhizobium
    4. Azotobacter
Correct Option: B

Rhodospirillum is a free-living, anaerobic nitrogen fixer bacteria. It can synthesize its food in presence of light under anaerobic conditions. Beijernickia and Azotobacter are free living aerobic nitrogen fixing bacteria. Rhizobium is a symbiotic nitrogen fixing bacteria.



Your comments will be displayed only after manual approval.