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प्रश्न
Which one of the following is not a nitrogen-fixing organism?
विकल्प
Anabaena
Nostoc
Azotobacter
Pseudomonas
MCQ
उत्तर
Pseudomonas
shaalaa.com
Microbes as Biofertilizers
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संबंधित प्रश्न
What are 'biofertilizers'? Explain them with suitable examples.
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Which of the following symbiotic microorganisms is nitrogen-fixing?
Soil microorganisms mainly comprise:
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Match the pairs:
| Column A | Column B | ||
| (i) | Compost making biofertilizer |
(a) | Azotobacter |
| (ii) | N2 fixing biofertilizer | (b) | Mycorrhiza |
| (iii) | Fungal biofertilizer | (c) | Agrobacterium |
| (iv) | Phosphate solubilizing biofertilizer |
(d) | Actinobocteria |
