The process that is the opposite of nitrogen fixation is

Nitrification

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Denitrification

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Ammonification

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Nitrate reduction

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Solution

The correct option is B Denitrification
The process of converting ammonium ions to nitrites or nitrates is called nitrification. Still other bacteria, called denitrifying bacteria, convert some of the nitrates in soil back into nitrogen gas in a process called denitrification. The process is the opposite of nitrogen fixation.
Thus, the correct answer is 'Denitrification.'

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Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following is not correct during the process of this nitrogen fixation?

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Choose the correct statement with respect to nitrogen fixation:

Statement 1: Nitrogen fixation process is involved in converting nitrogen gas into nitrogenous compounds.

Statement 2: Root nodules of the non-leguminous plants help in the process of nitrogen fixation.

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Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following is not correct during the process of this nitrogen fixation?

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