Which of the following bacteria are responsible for denitrification?
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Correct answer: Pseudomonas and Thiobacillus
Pseudomonas and Thiobacillus are the primary bacteria involved in denitrification. They reduce soil nitrates to nitrogen gas, often in waterlogged or oxygen-poor soils.
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More Nitrogen cycle in nature questions
- The enzyme complex responsible for the reduction of molecular nitrogen to ammonia in biological nitrogen fixation is:
- Which of the following is a free-living, aerobic nitrogen-fixing bacterium?
- The symbiotic nitrogen-fixing bacterium Rhizobium is found in the root nodules of:
- Which microbe forms nitrogen-fixing nodules on the roots of the non-leguminous plant Alnus?
- The pink-colored pigment found in the nodules of leguminous plants, which acts as an oxygen scavenger, is:
- How many molecules of ATP are required for the production of one molecule of $NH_3$ during biological nitrogen fixation?