TASC Environmental Science Level 3 Practice Questions - TASC Environmental Science Level 3 (ESS315118) Exam

In the soil nitrogen cycle, what specific biological oxidation step is performed by Nitrosomonas bacteria?

Oxidation of ammonium (NH4+) to nitrite (NO2-) Oxidation of nitrite (NO2-) to nitrate (NO3-) Reduction of nitrate (NO3-) to dinitrogen gas (N2) Conversion of atmospheric dinitrogen (N2) into amino acids

Correct Answer:

Oxidation of ammonium (NH4+) to nitrite (NO2-)

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