Biology · Microbes in Human Welfare
Which of the following correctly explains why cyanobacteria are effective biofertilisers in paddy fields?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1They decompose organic matter rapidly
- 2They fix atmospheric nitrogen and add organic matter to the soil✓
- 3They increase phosphorus solubility only
- 4They form specialized root nodules in monocot plants
Correct answer
They fix atmospheric nitrogen and add organic matter to the soil
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