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प्रश्न
Which one of the following is a free-living bacterial biofertilizer?
विकल्प
Azotobacter
Rhizobium
Nostoc
Bacillus thuringiensis
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उत्तर
Azotobacter
APPEARS IN
संबंधित प्रश्न
How does the application of the fungal genus, Glomus, to the agricultural farm increase the farm output?
Explain the interrelationship between organic farming and biofertilizers, with the help of any three suitable examples.
How does the activity of each one of the following help in organic farming?
Cyanobacteria
______ are nitrogen fixing micro-organisms.
Which one of the following is NOT a nitrogen-fixing organism?
Mycorrhiza does not help the host plant in ______.
Why are cyanobacteria considered useful in paddy fields?
Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.
Rhizobium
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 |
- Give an example of a genus of fungi that forms mycorhizal association with plants.
- How does the plant derive benefits from this association?
