The denitrification means

Reduction of NO

_{2}

to ammonia form by bacteria in the soil.

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Oxidation of ammonia to nitrate form.

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Conversion of ammonia to amino acids.

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Conversion of nitrate to gaseous nitrogen in the soil.

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Solution

The correct option is D Conversion of nitrate to gaseous nitrogen in the soil.
Denitrification is the reduction step in the nitrogen cycle. In this step, biological conversion of nitrate to nitrogen gas, nitric oxide or nitrous oxide takes place. These compounds are gaseous compounds and are not readily available for microbial growth; therefore they are typically released to the atmosphere. Denitrifiers belong to several genera such as Pseudomonas, Bacillus, Spirillum, Cornebacterium, Cytophata, etc.

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Similar questions

Q. Assertion :Nitrate present in the soil is reduced to nitrogen by the process of denitrification. Reason: Denitrification is carried by bacteria Pseudomonas and Azotobacter.

Q. Conversion of organic nitrogen into ammonia, nitrogen gas into ammonia, nitrates into ammonia, ammonia into nitrates is respectively known as

Q. The process of converting ammonia to nitrate by bacteria is known as ?

During nitrification, which bacteria convert ammonia to nitrate?

The conversion of ammonia to nitrate is performed primarily by soil - living bacteria and other nitrifying bacteria. Which of the following is the correct order for this conversion?

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