Which Statement Concerning Nitrogen Cycling Is False

question 112

Multiple Choice

Which statement concerning nitrogen cycling is false?

• A) Prokaryotic nitrogen fixers play a major role in nitrogen cycling in the world's ecosystems.
• B) Denitrifiers convert nitrate ions into nitrogen gas, which is released into the atmosphere.
• C) Without denitrification, nitrogen would leach from the soil into lakes and rivers.
• D) Nitrogen fixers convert atmospheric nitrogen gas into a usable chemical form (ammonia).
• E) Nitrate is oxidized to ammonia in soil and in seawater by chemoautotrophic bacteria called nitrifiers.

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