NEET · BiologyMedium

Which of the following is a biofertilizer that fixes atmospheric nitrogen in paddy fields?

  1. A.Azospirillum
  2. B.Glomus
  3. C.Anabaena
  4. D.Bacillus thuringiensis
Show correct answer & step-by-step solution

Correct answer: CAnabaena

Solution

  1. Paddy fields require nitrogen enrichment for optimal growth.
  2. Cyanobacteria like Anabaena and Nostoc are capable of fixing atmospheric nitrogen.
  3. These organisms are commonly used as biofertilizers in rice cultivation.
  4. Hence the answer is (C).

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