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What is Mycorrhiza? How does it act as a...

What is Mycorrhiza? How does it act as a Bio-fertilizer.

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Symbiotic association of fungus with the roots af higher plants is called as mycorrhiza.
The fungal symbiont in the mycorrhiza (i) absorbs phosphorus from the soil and passes it to the plant, (ii) provide resistance to root-borne pathogens, (iii) tolerance to salinity and drought, (iv) overall increase in plant growth and development.
Many species of Glomus form mycorrhizal association with plants.
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BETTER CHOICE PUBLICATION-MICROBES IN HUMAN WELFARE-SHORT ANSWER TYPE QUESTIONS
  1. Explain the biological control of weeds with the help of two examples.

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  2. Write four advantages of using biofertilisers in Agriculture.

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  3. What is Mycorrhiza? How does it act as a Bio-fertilizer.

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  4. What is biological significance of Azolla pinnata in agriculture?

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  5. Most living organisms cannot survive at temperature above 45°C. How ar...

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  6. Do you think microbes can also he used as source of energy? If yes. ho...

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  7. What is the ecological principle behind the biological control method ...

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  8. Explain the role of microbes in sewage treatment.

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  9. Why is cattle dung used to produce biogas ?

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  10. What are biofertilizers ? Give two examples.

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  11. Write a note on baculoviruses as biological control agent.

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  12. How does Baker's yeast help in production of bread?

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  13. How do the cyanobacteria serve as main source of biofertilizer?

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  14. What is Sewage? Differentiate between primary and secondary treatment ...

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  15. Explain the process of alcoholic fermentation.

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  16. Why are Biofertilizers preferred to Chemical fertilizers.

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  17. What do you know about Curdling of Milk?

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  18. Describe the various Biological methods for the control of insects pes...

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  19. Discuss the concept to IPM.

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  20. How do biofertilisers enrich the fertility of the soil?

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