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What are 'biofertilizers' ? Explain them...

What are 'biofertilizers' ? Explain them with suitable examples.

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Biofertilizers are organisms that enrich the nutrient quality of the soil. They may be free living or symbiotic, bacteria or cyanobacteria.
(a) Nitrogen fixing symbiotic bacterial biofertilizer Rhizobium in root nodules.
(b) Nitrogen fixing symbiotic cyanobacterial biofertilizers-Anabaena azollae in Azolla.
(c) Nitrogen fixing non-symbiotic cyanobacterial biofertilizers-Nostoc, Anabaena.
(d) Mycorrhiza-Fungal biofertilizer-Ectotropic mycorrhiza and endotropic mycorrhiza.
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GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- MARCH 2017-SECTION-II
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  7. Humulin is used to treat………………………

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  9. Which material is used for isolation of DNA in fingerprinting techniqu...

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  10. Give significance of podocyte.

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  11. Commensalism.

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