Pseudomonas isSelect an answerANitrogen fixing bacteriaBDenitrifying bacteriaCNitrifying bacteriaDBoth B and C

Break Down the Problem

1. Identify the characteristics of Pseudomonas.
2. Analyze the functions associated with the options provided (nitrogen fixing, denitrifying, nitrifying).

Relevant Concepts

• Nitrogen Fixing Bacteria: These bacteria convert atmospheric nitrogen (N₂) into ammonia (NH₃).
• Denitrifying Bacteria: These organisms convert nitrates (NO₃⁻) into nitrogen gas (N₂), thus removing nitrogen from the ecosystem.
• Nitrifying Bacteria: These bacteria convert ammonia (NH₃) into nitrites (NO₂⁻) and then into nitrates (NO₃⁻).

Analysis and Detail

1. Pseudomonas is primarily known for its role in decomposition and its ability to thrive in various environments.
2. Pseudomonas species can perform denitrification and exhibit nitrifying capabilities but do not fix nitrogen from the atmosphere.

Verify and Summarize

Given the roles of Pseudomonas, it can be associated with:

• Denitrification (removing nitrogen).
• Nitrification (converting ammonia to nitrites/nitrates). However, it does not fix atmospheric nitrogen.

Final Answer

The correct answer is D: Both B and C (Pseudomonas is both Denitrifying and Nitrifying bacteria).