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How do micro - organisms help in increas...

How do micro - organisms help in increasing soil fertility ?

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LAKHMIR SINGH & MANJIT KAUR-MICRO - ORGANISMS : FRIEND AND FOE.-EXERCISE
  1. What is meant by fermentation ? Name the scientist who discovered ferm...

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  2. Which micro - organism converts sugar into alcohol during fermentation...

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  3. How do micro - organisms help in increasing soil fertility ?

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  4. How do micro - organisms help in cleaning the environment ?

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  5. What are antibiotics? What precautions must be taken while taking anti...

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  6. Why are antibiotics not effective against 'common cold' and 'flu' ?

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  7. What is the full form of HIV ? Name the disease caused by HIV.

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  8. Discribe how, curd is made from milk. Name the bacterium which convert...

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  9. Name the micro - organism used in bread - making which makes the bread...

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  10. What is food poisoning ? How is food poisoning caused ?

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  11. What is meant by food preservation ? Name any five methods of preservi...

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  12. How do you preserve cooked food at home ?

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  13. Why should we not let water collect anywhere in the neighbourhood ?

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  14. Name one animal disease each caused by virus .

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  15. Name one animal disease each caused by bacteria.

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  16. Name one animal disease each caused by fungus.

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  17. Where do Rhizobium bacteria live ? What is their function ?

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  18. Name any two bacteria.

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  19. Name any two viruses .

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  20. Name any two protozoa .

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