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What is utrophication?...

What is utrophication?

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MBD -HARYANA BOARD-ENVIRONMENTAL ISSUES-EXERCISE
  1. What is utrophication?

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  2. Fill in the lanks with suitable words: secondary treattment of pollute...

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  3. Fill in the lanks with suitable words: Increase in concentration of so...

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  4. Fill in the lanks with suitable words: Aforestation can check the adva...

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  5. Fill in the lanks with suitable words: ..................... radiation...

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  6. Fill in the lanks with suitable words: DDT is a serious pollutant as i...

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  7. State True or False: The SO2 causes asphycial death due to oxygen star...

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  8. State True or False: Acid rain caused due to oxides of nitrogen and su...

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  9. State True or False: Ozone destroys the crops of potato,alfalfa and sp...

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  10. State True or False: The UV rays and IR rays are ionising radiations.

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  11. State True or False: The photochemical smog contains PAN and Ozone.

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  12. Coin one word for the following statements: Discarded computer parts l...

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  13. Coin one word for the following statements: Degradation of organic was...

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  14. Coin one word for the following statements: Solid contents of sewage.

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  15. Coin one word for the following statements: Cleaning of vast areas cov...

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  16. Coin one word for the following statements: Growing of green plants al...

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  17. Identify the correct matching pair:

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  18. Which one of the following pairs is mis-matched ?

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  19. Which one of the following statements pertaining to pollutants is corr...

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  20. Prolonged liberal irrigation of agricultural fields is likely to creat...

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  21. Which of the following is not used for disinfection of drinking water?

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