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What is 'activated sludge' in sewage tre...

What is 'activated sludge' in sewage treatment ?

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Once the BOD of sewage water is reduced significantly , the effuent is then passed into a settling tank where the bacterial flocs are allowed to sediment .This sediment is called activated sludge.
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FULL MARKS-MICROBES IN HUMAN WELFARE -Additional Questions (2- Mark Questions)
  1. Pick the bacterial species which is not used in ethanol formation.

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  2. Name the substrates used for production of industrial alcohol.

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  3. Write the equation for alcoholic fermentation.

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  4. Complete the table by filling with respective organic acid and microbe...

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  5. Genetically engineered Streptococci are used as clot buster for removi...

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  6. Write a brief note on (a) Cyclosporine A (b) Statins

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  7. State the source of statins and its medical role.

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  8. Expand and define BOD.

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  9. What is 'activated sludge' in sewage treatment ?

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  10. Give a brief account on Ganga action plan.

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  11. Name the biocontrol agents used to get rid of Aphids & mosquito larvae...

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  12. How insect resistant plants are developed using Bacillus thuringiensis...

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  13. Which group of insects can be controlled by using delta - endotoxins o...

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  14. Name a microbial biocontrol agent.

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  15. How Rhizobium acts as a efficient bio - fertilizer?

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  16. Give examples of free living nitrogen fixing bacteria.

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  17. Name few blue green algea (BGA)

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  18. Give definition for organic farming?

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  19. Pseudomonas putida and pollution abatement - comment .

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  20. Complete the following equation by identifying the microbes involved i...

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