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Why are some substances biodegradable an...

Why are some substances biodegradable and some non-biodegradable?

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What are biodegradable and non-biodegradable pollutants ?

Wastes:Biodegradable || Non-biodegradable

Which one is non-biodegradable

(a) Describe an activity to show that while paper is biodegradable but plastic (say, polythene) is non-biodegradable. (b) Explain why, some materials are biodegradable but some are non-biodegradable.

PHBV is a biodegradable / non biodegradable polymer.

MBD -HARYANA BOARD-OUR ENVIRONMENT-EXAMPLES
  1. Why are some substances biodegradable and some non-biodegradable?

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  2. Give any two ways in which biodegradable substances would affect the e...

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  3. Give any two ways in which non-biodegradable substances would affect t...

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  4. What are tropic levels ? Give an example of a food chain and state the...

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  5. What is the role of decomposers in the ecosystem?

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  6. What is ozone and how does it affect any ecosystem?

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  7. How can you help in reducing the problem of waste disposal? Give any t...

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  8. Which of the following groups contain only biodegradable items?

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  9. Which of the following constitute a food chain?

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  10. Which of the following are environment-friendly practices?

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  11. What will happen if we kill all the organisms in one trophic level?

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  12. Will the impact of removing all the organisms in a trophic level be di...

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  13. What is biological magnification? Will the levels of this magnificatio...

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  14. What is biological magnification?What are its effects?

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  15. What are the problems caused by the non-biodegradable wastes that we g...

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  16. Explain two ways in which non-biodegradable substances affect our envi...

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  17. If all the waste we generate is biodegradable, will this have no impac...

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  18. Why is damage to the ozone layer a cause for concern? What steps are b...

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  19. Differentiate the following: Ecosystem and biome

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  20. Differentiate the following:food chain and food web

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