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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
Find out the role of microbes in the following:
Soil
How do biofertilisers enrich the fertility of the soil?
Name the aquatic fern commonly used in paddy fields as a biofertilizer.
How does the application of the fungal genus, Glomus, to the agricultural farm increase the farm output?
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 |
Which of the following is a free-floating aquatic fern?
Mycorrhiza is a______ which forms a symbiotic association with the underground parts like rhizomes and root of higher plants.
By application of ____________ yield of paddy field can be increased.
Anabaena forms symbiotic relationship coralloid roots of ______.
Which of the following symbiotic microorganisms is nitrogen-fixing?
Why are blue green algae not popular as biofertilisers?
Why are cyanobacteria considered useful in paddy fields?
Give two examples of biofertilizer.
Aspergillus niger is used to manufacture
Which of following organisms cannot fix nitrogen?
- Azotobacter
- Oscillatoria
- Anabaena
- Volvoх
- Nostoc
Choose the correct answer from the options given below:
How many of the following are the symbiotic nitrogen fixing micro-organisms?
Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella
Which of the following bacteria do not solubilize the insoluble rock phosphate?
How many statements are true about biofertilizers?
- They are nitrogen fixers.
- They are commercial preparation of live bacteria and fungi.
- Use of biofertilizers is expensive.
- There is only one type of biofertilizer.
- They are classified as inorganic.
Endomycorrhizae grow in ______ of higher plants.
