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Question
The conversion of nitrates into nitrogen is known as:
The conversion of nitrates into nitrogen is known as:
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Solution
The correct option is A Denitrification
The process of conversion of free nitrogen from the atmosphere into soluble nitrates by microorganisms is known as biological nitrogen fixation. When plants and animals die, the nitrogenous compounds present in their bodies are broken down into ammonia. This process is known as ammonification. Ammonia is converted to nitrates by nitrifying bacteria, such as Nitrosomonas and Nitrobacter, through a process called nitrification.Nitrification is followed by denitrification, wherein nitrates are converted into nitrogen gas (N2), by the action of denitrifying bacteria such as species of Nitrosomonas, Pseudomonas, Alcaligenes, and Bacillus. The nitrogen gas is then released into the atmosphere.
The process of conversion of free nitrogen from the atmosphere into soluble nitrates by microorganisms is known as biological nitrogen fixation.
When plants and animals die, the nitrogenous compounds present in their bodies are broken down into ammonia. This process is known as ammonification. Ammonia is converted to nitrates by nitrifying bacteria, such as Nitrosomonas and Nitrobacter, through a process called nitrification.
Nitrification is followed by denitrification, wherein nitrates are converted into nitrogen gas (N2), by the action of denitrifying bacteria such as species of Nitrosomonas, Pseudomonas, Alcaligenes, and Bacillus. The nitrogen gas is then released into the atmosphere.
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