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प्रश्न
How do mycorrhizal fungi help the plants harbouring them?
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उत्तर
The mycorrhizal fungi absorb phosphorus from the soil and transfer them to the host cells. They also impart resistance to host plants against root pathogens. They also help plants tolerate salinity and drought.
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संबंधित प्रश्न
How do biofertilisers enrich the fertility of the soil?
Give the meaning of the Nif gene.
How does the application of cyanobacteria help improve agricultural output?
Define biofertilizers. Give two types of fungal biofertilizers
Name any two bacterial biofertilizers.
State any three benefits of Biofertilizers.
Match the column A with B and rewrite correct pairs.
| A | B | |
| i. | Symbiotic N2 fixing bacteria | VAM |
| ii. | Free-living N2 fixing bacteria | Rhizobium |
| iii. | Phosphate solubilizer | Nostoc |
| iv. | Endomycorrhizae | Microccocus |
______ are nitrogen fixing micro-organisms.
identify the plants with which Anabaena, is associated.
Identify the CORRECT statement regarding Mycorrhiza.
VAM stands for ______.
Which of the following statements are CORRECT regarding Anabaena and Frankia?
The biological agent which is used to kill or check proliferation of disease causing agents is called ____________.
Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.
Anabaena
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 |
Which one of the following statement is correctly matched?
- Give an example of a genus of fungi that forms mycorhizal association with plants.
- How does the plant derive benefits from this association?
