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NDA 2022 GAT · General Knowledge · Ecology and Environment · hard

The bacteria found in the root nodules of leguminous plants that fix atmospheric nitrogen belong to the genus

Single correct option

The bacteria found in the root nodules of leguminous plants that fix atmospheric nitrogen belong to the genus
  1. A. Rhizobium
  2. B. Nitrosomonas
  3. C. Nitrobacter
  4. D. Pseudomonas
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Answer: (A) Rhizobium

Rhizobium lives symbiotically in the root nodules of legumes such as pea and gram and converts atmospheric nitrogen into ammonia for the plant. Nitrosomonas converts ammonia to nitrite, Nitrobacter nitrite to nitrate, and Pseudomonas is a denitrifier.
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Original question written in the NDA 2022 GAT pattern and checked twice for the correct answer. Not an official question paper. How we write and check questions · Corrections policy · Report a mistake