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प्रश्न
Give the meaning of the Nif gene.
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उत्तर
The Nif gene is a Nitrogen (N2) fixing gene.
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संबंधित प्रश्न
How does the application of cyanobacteria help improve agricultural output?
Name any two bacterial biofertilizers.
______ are nitrogen fixing micro-organisms.
Mycorrhiza is a______ which forms a symbiotic association with the underground parts like rhizomes and root of higher plants.
Match the Column I (Organisms) with the Column II (Products they produce) and select the correct option.
| Column I | Column II | ||
| i. | Lactobacillus | p. | Cheese |
| ii. | Saccharomyces cerevisiae | q. | Curd |
| iii. | Aspergillus niger | r. | Citric Acid |
| iv | Acetobacter aceti | s. | Bread |
| t. | Acetic Acid |
Blue green algae are used as bio fertilizers because they ____________.
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 |
Aspergillus niger is used to manufacture
Name the microorganisms involved in the production of Roquefort cheese, Camembert cheese and Swiss cheese.
