Post-UTME Biology 2010 Objective — Question 2
Question 2 of 16 from the Post-UTME Screening (Post-UTME) Biology 2010 Objective paper, with the correct answer and a full explanation.
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The condition that encourages denitrification is
- A. low soil oxygenCorrect
- B. high soil nitrogen
- C. absence of soil bacteria
- D. lightning and thunderstorm
Explanation
Denitrifying bacteria thrive and convert nitrates back to nitrogen gas under low-oxygen (anaerobic) soil conditions.
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