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प्रश्न
What is a heterocyst?
Give the role of a heterocyst.
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उत्तर
The Blue Green Algae (BGA) have some specialized colourless cells called heterocysts which are the sites of nitrogen fixation.
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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?
How does the application of the fungal genus, Glomus, to the agricultural farm increase the farm output?
How does the application of cyanobacteria help improve agricultural output?
Your advice is sought to improve the nitrogen content of the soil to be used for cultivation of a non-leguminous terrestrial crop.
- Recommend two microbes that can enrich the soil with nitrogen.
- Why do leguminous crops not require such enrichment of the soil?
In plant breeding, biofortification is a method ____________.
VAM is a type of ______
Which one of the following statement is correctly matched?
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.
What is the fundamental characteristic that defines biofertilizers as living organisms?
