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A nonphotosynthetic aerobic nitrogen fixing soil bacterium is [1990, 1994]
- a)Rhizobium
- b)Clostridium
- c)Azotobacter
- d)Klebsiella
Correct answer is option 'C'. Can you explain this answer?
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A nonphotosynthetic aerobic nitrogen fixing soil bacterium is [1990, 1...
Azotobacter is free living soil bacteria that are able to pick up dinitrogen from the soil and fixes it into organic nitrogenous material like aminoacid. Clostridium is anaerobic free living soil N2 fixing bacteria. Rhizobium is symbiotic N2 fixing bacteria.
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A nonphotosynthetic aerobic nitrogen fixing soil bacterium is [1990, 1...
Azotobacter:
Azotobacter is a nonphotosynthetic aerobic nitrogen-fixing soil bacterium that plays a crucial role in the nitrogen cycle by converting atmospheric nitrogen into a form that plants can use. Here is why Azotobacter is the correct answer:
Aerobic:
- Azotobacter is aerobic, which means it requires oxygen to carry out its metabolic processes. This aerobic nature sets it apart from anaerobic nitrogen-fixing bacteria like Clostridium.
Nitrogen fixing:
- Azotobacter has the ability to fix atmospheric nitrogen into ammonia, a form that plants can readily absorb. This makes it an important contributor to soil fertility.
Nonphotosynthetic:
- Unlike some other nitrogen-fixing bacteria like Rhizobium, Azotobacter does not carry out photosynthesis. Instead, it relies on organic matter in the soil as a carbon source.
In conclusion, Azotobacter is a nonphotosynthetic aerobic nitrogen-fixing soil bacterium that plays a significant role in maintaining soil fertility and supporting plant growth.
Azotobacter is a nonphotosynthetic aerobic nitrogen-fixing soil bacterium that plays a crucial role in the nitrogen cycle by converting atmospheric nitrogen into a form that plants can use. Here is why Azotobacter is the correct answer:
Aerobic:
- Azotobacter is aerobic, which means it requires oxygen to carry out its metabolic processes. This aerobic nature sets it apart from anaerobic nitrogen-fixing bacteria like Clostridium.
Nitrogen fixing:
- Azotobacter has the ability to fix atmospheric nitrogen into ammonia, a form that plants can readily absorb. This makes it an important contributor to soil fertility.
Nonphotosynthetic:
- Unlike some other nitrogen-fixing bacteria like Rhizobium, Azotobacter does not carry out photosynthesis. Instead, it relies on organic matter in the soil as a carbon source.
In conclusion, Azotobacter is a nonphotosynthetic aerobic nitrogen-fixing soil bacterium that plays a significant role in maintaining soil fertility and supporting plant growth.
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A nonphotosynthetic aerobic nitrogen fixing soil bacterium is [1990, 1...
Rhizobium
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A nonphotosynthetic aerobic nitrogen fixing soil bacterium is [1990, 1994]a)Rhizobiumb)Clostridiumc)Azotobacterd)KlebsiellaCorrect answer is option 'C'. Can you explain this answer?
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