Which of the following is a bio fertilizer?

Blue green algae

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Nitrogen fixing bacteria

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Both A and B

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None of the above

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Solution

The correct option is C Both A and B
Bio fertilizers are organism which are inoculated in order to bring about nutrient enrichment of soil. Blue green algae and nitrogen fixing bacteria are bio fertilizers that help prevent soil pollution.

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Which of the above statement(s) is/are correct?

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