Which of the following is free living aerobic and nonphotosynthetic nitrogen fixing bacterium
Which of the following is free living aerobic and nonphotosynthetic nitrogen fixing bacterium
- [AIPMT 1997]
- [AIPMT 1998]
- A
Rhizobium
- B
Nostoc
- C
Azospirillum
- D
Azotobacter
Similar Questions
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- [AIPMT 2011]
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Azolla is used as biofertilizer as it has
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- [AIPMT 1998]
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