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

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NAVNEET PUBLICATION-INTRODUCTION TO MICROBIOLOGY-EXERCISE
  1. What are the benefits of mixing ethanol with petrol and diesel?

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

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

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  4. Answer the following questions: How are microbes used in sewage mana...

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  5. Answer the following questions: How is the sludge produced in this p...

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  6. Answer the following questions: What is clean technology?

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  7. Answer the following questions: Why is it essential to ban plastic b...

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  8. Use your brain power. In earlier class, you had prepared the solution ...

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  9. Use your brain power. Food materials like cold drinks, ice creams, cak...

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  10. Write short notes on Production of yoghurt.

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  11. Write short notes on Production of yoghurt.

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  12. Write short notes on: Land-filling sites.

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  13. Complete the following conceptual picture.

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  14. Why is it asked to segregate wet and dry waste in each home ?

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  15. What is done with the segregated waste ?

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  16. Which is most appropriate method of disposal of dry waste ?

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  17. Complete the paragraph by choosing the approprite words given in the b...

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  18. Complete the paragraph by choosing the approprite words given in the b...

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  19. Paragraph based Questions : Read the paragraph and answer the questio...

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  20. Paragraph based Questions : Read the paragraph and answer the questio...

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