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  • Which of the following micro organisms increases the nitr...
Multiple choice

Which of the following micro organisms increases the nitrogen content of soil?

  1. Aspergillus

  2. Blue green algae

  3. Lactobacillus

  4. Spirogyra

  5. Yeast

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Blue green algae are able to fix nitrogen from atmosphere and enrich soil with nitrogen. 

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