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Why are pits lined with plastic sheets a...

Why are pits lined with plastic sheets at modern landfill sites ?

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At modern landfill sites, pits are lined with plastic sheet as a precaution against pollution of soil due to leaching of toxic and harmful materials.
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Explain with the help of diagram how waste from urban cities is disposed of at landfill sites.

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The countries which do not have oil reservoirs in their land import oil from other countries. But sometimes during transporting oil through sea routes, accidental oil spilling occurs. This oil spilled in the ocean may prove fatal and toxic to aquatic animals. Therefore, removel of this spilled oil is essential for protection of aquatic life. For removing this oil layer, certain microbes like Pseudomonas spp. and Alcanivarax borkumensis are used. These microbes have the ability to destroy the pyridines and other toxic chemicals. The hydrocarbonoclastic bacteria (HCB) are able to decompose the hydrocarbons and bring about the reaction carbon with oxygen resulting in formation of C O 2 and water. Like oil spills cause damage to aquatic life. plastic forms the major part of the garbage on land. Plastics are difficult to degrade as they are made up of PET. By research, various species like Vibrio and Idenoella sakaiensis which can degrade PET have been identified. There are certain species of microbes which can decompose rubber from garbage. Based on the given paragraph answer the following question.Why should there be a ban on plastic bags ?

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TARGET PUBLICATION-INTRODUCTION TO MICROBIOLOGY -ANSWER THE FOLLOWING
  1. How urban waste that is accumulated in terms of tonnes may be disposed...

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  2. Give diagrammatic representation of a modern landfill site and explain...

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  3. Write a short note on modern landfill sites for waste disposal.

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  4. Why are pits lined with plastic sheets at modern landfill sites ?

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  5. What is role of microbes in compost production ?

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  6. Explain in detail how sewage management is done in cities ?

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  7. Write a short note on sewage management in cities.

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  8. Which precautions are necessary for proper decomposition of domestic w...

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  9. How can the oil spills of rivers and oceans be cleaned ?

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  10. There is an oil layer on the water surface of river in your area. What...

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  11. Why is it necessary to ban the use of plastic bags?

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  12. How can the soil polluted by acid rain be made fertile again ?

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  13. What is the role of Geobacter in pollution control ?

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  14. Write four advantages of using microbial incoulants in farming.

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  15. Explain the importance of biopesticides in organic farming.

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  16. Rewrite the statement using correct option and explain the completed s...

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  17. Rewrite the statement using correct option and explain the completed s...

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  18. Rewrite the statement using correct option and explain the completed s...

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  19. Rewrite the statement using correct option and explain the completed s...

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  20. Why microorganisms are important in our daily life ?

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