Environment & Ecology · Biogeochemical Cycles
Biological nitrogen fixation is carried out by which of the following organisms?
- 1Only viruses
- 2Only fungi
- 3Only Rhizobium
- 4Blue-green algae and Rhizobium✓
Correct answer
Blue-green algae and Rhizobium
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Environment & Ecology?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Biogeochemical Cycles?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Environment & Ecology · Biogeochemical Cycles