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Which of the following are environment-f...

Which of the following are environment-friendly practices?

A

Carrying cloth-bags to put purchases in while shopping

B

switching of unnecessary lights and fans

C

walking to school instead of getting your mother to drop you on her scooter

D

all of the above

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MBD -HARYANA BOARD-OUR ENVIRONMENT-EXAMPLES
  1. Which of the following groups contain only biodegradable items?

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  2. Which of the following constitute a food chain?

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

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

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

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

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

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

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

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

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

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  12. Differentiate the following: Ecosystem and biome

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  13. Differentiate the following:food chain and food web

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  14. Differentiate the following :carnivores and omnivores.

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  15. Why it is said that flow of energy is always unidirectional?

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  16. Why does food chain become short?

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  17. Can there be more than six trophic levels in a food chain? If not,why?

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  18. In the context of energy which level of food chain is considered benef...

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  19. Write in brief the role of decomposers in recycling.

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  20. What is meant by soil reosion?What are agents of soil erosion ?Write e...

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