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Answer : 4. "Rhizobium"
Which one of the following organisms has a role in converting nitrates to free nitrogen?
5Q:
Which one of the following organisms has a role in converting nitrates to free nitrogen?
- 1Pseudomonasfalse
- 2Nitrosomonasfalse
- 3Nitrobacterfalse
- 4Rhizobiumtrue
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Answer : 4. "Rhizobium"
Explanation :
Nitrates are reduced back into nitrogen in the soil by a process called denitrification. This process is performed by bacteria like Pseudomonas denitrificans, etc.