Consider the following organisms:
- Agaricus
- Nostoc
- Spirogyra
Which of the above is/are used as biofertilizer/biofertilizers?
Detailed Explanation:
Nostoc is a nitrogen-fixing cyanobacterium (blue-green algae) used as a biofertilizer due to its ability to fix atmospheric nitrogen and enrich soil.
Agaricus is a mushroom (fungus) used for food, not as a biofertilizer.
Spirogyra is a green alga (filamentous) used for research and education, not as a biofertilizer.
Question 11 of 13 Biodiversity Conservation
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