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Some blue green algae can be used as biofertilizer as they are

Some blue green algae can be used as biofertilizer as they are

Options

(a) Photosynthetic
(b) Surrounded by mucilage
(c) Growing every where
(d) Capable of fixing nitrogen

Correct Answer:

Capable of fixing nitrogen

Explanation:

Blue-green algae cultured in specific media. Blue-green algae can be helpful in agriculture as they have the capability to fix atmospheric nitrogen to soil. This nitrogen is helpful to the crops. Blue-green algae is used it as a bio-fertilizer.

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