The bacteria, which reduce nitrates in the soil to gaseous nitrogen, are known as denitrifying bacteria such as:
Correct answer: C. Pseudomonas
- A. Nitromonas
- B. Nostoc
- C. Pseudomonas
- D. Rhizobium
Explanation
Pseudomonas carries out denitrification, converting nitrates into gaseous nitrogen that returns to the atmosphere. Nitrosomonas oxidizes ammonia, while Rhizobium fixes atmospheric nitrogen.
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