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प्रश्न
What is a heterocyst?
Give the role of a heterocyst.
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
Give the meaning of the Nif gene.
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.
1) Recommend two microbes that can enrich the soil with nitrogen
2) Why do leguminous crops not require such enrichment of the soil?
______ associated with plants like Azolla and Cycas can be used as a biofertilizers.
Which of the following statements are CORRECT regarding Anabaena and Frankia?
Anabaena forms symbiotic relationship coralloid roots of ______.
The biological agent which is used to kill or check proliferation of disease causing agents is called ____________.
Which one of the following is not a biofertilizer?
Biofertilizers are
Mycorrhiza does not help the host plant in ______.
