Biologymedium · Past Paper
Which process in the nitrogen cycle returns nitrogen to the atmosphere as gas?
ANitrification
BNitrogen fixation
CDenitrification
DAmmonification
✓ Correct Answer: C — Denitrification
Denitrification is the process where bacteria convert nitrates back into nitrogen gas.
Share this question
More from Biology
- Which organelle controls all the activities of the cell?
- Which enzyme is responsible for the unwinding of the DNA double helix during replication?
- What is the average resting heart rate for an adult?
- Which of the following is an example of continuous variation?
- A bacterial cell's DNA is found in a region called the: