Question Detail
Question
Nitrosomonas and Nitrobacter are key microorganisms involved in which environmental process?
Correct Answer
Option D is the correct answer.
Detailed Explanation
The 'Biogeochemical Cycling' section on page 8 lists Nitrosomonas and Nitrobacter as microorganisms that 'Drive carbon, nitrogen, sulfur & phosphorus cycles'. Specifically, these bacteria are known for their roles in nitrification, a part of the nitrogen cycle.
Hint
Their names refer to nitrogen compounds.