Question

Azolla is used in cultivation of:

A Wheat Correct Answer Incorrect Answer
B Sorghum Correct Answer Incorrect Answer
C Rice Correct Answer Incorrect Answer
D Perl millet Correct Answer Incorrect Answer

Solution

Azolla is a genus of aquatic ferns that can be grown in rice fields. It is often used as a biofertilizer in rice cultivation. Azolla has a symbiotic relationship with nitrogen-fixing cyanobacteria, which allows it to capture and fix atmospheric nitrogen, enriching the soil with this essential nutrient.

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