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Question
Name four types of bacteria involved in nitrogen cycle.
Solution
Four types of bacteria involved in the nitrogen cycle:
(a) Nitrogen-fixing bacteria:
Examples: Azotobacter and Rhizobium
(b) Putrefying bacteria involved in ammonification
(c) Nitrifying bacteria:
Examples: Nitrosomonas and Nitrobacter
(d) Denitrifying bacteria:
Example: Pseudomonas
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