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
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$(1)$ Many members of the genus glomusinvolved micorrhiza
$(2)$ It is responsible for all mineralsabsorption from the soil
$(3)$ Such associations show benefitsagainst draught and salinity in plants
$(4)$ Micorrhiza is a symbiotic relation ofalgae and plants
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$(2)$ It is responsible for all mineralsabsorption from the soil
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$(4)$ Micorrhiza is a symbiotic relation ofalgae and plants
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