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Which of the following is a free living ...

Which of the following is a free living bacteria that can fix nitrogen in the soil.
Spirulina, Azospirillum, Sonalika

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Azospirillum,
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MODERN PUBLICATION-MICROBES IN HUMAN WELFARE-REVISION EXERCISES (B. QUESTIONS FROM CBSE EXAMINATIONS :)
  1. Bacteria that convert milk into curd play two other beneficial roles. ...

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  2. Name the group of organisms and the substrate they act on to produce b...

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  3. Which of the following is a free living bacteria that can fix nitrogen...

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  4. Milk starts to coagulate when Lactic Acid Bactria (LAB) is added to wa...

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  5. Mention the role of cyanobacteria as a biofertiliser.

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  6. Write the scientific name of the microbe used for fermenting malted ce...

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  7. Write an alternate source of protein for animal and human nutrition.

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  8. Name the type of association that genus Glomus exhibits with higher pl...

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  9. Name the enzyme produced by Streptococcus bacterium. Explain its impor...

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  10. Name the source of streptokinase . How does this bioreactor molecule ...

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  11. Mention the importance of Lactic acid bacteria to humans other than se...

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  12. How do methanagens help in Producing biogas?

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  13. Name the source of cyclosporin - A . How does - this bioactive molecul...

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  14. Name the bacterium responsible for the large holes seen in "Swiss Chee...

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  15. Explain the significant role of the genus Nucleopoyhedrovirus in ab ec...

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  16. Mention a product of human welfare obtained with the help of each one...

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  17. Explain the process of secondary treatment give to the priamry effluei...

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  18. Explain the function of ''anaerobic sludge digester'' in a sewage trea...

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  19. Name a genus of baculovirus. Why are they considered good biocontrol a...

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  20. Name a free-living and symbiotic bacterium that serve as bio-fertilize...

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