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Increased loading of nutrients in the wa...

Increased loading of nutrients in the water body results in algal bloom. Then, how is eutrophication harmful to aquatic life ?

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Refer to article 5.4.3 on Page 235.
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(a) List the names of chemicals whose biomagnification result in following diseases in humans : (i) Minamata disease (ii) Itai Itai disease (b) Name the fertilizers whose excessive presence in water bodies results in algal bloom. What is the consequence of equtrophication ?

PRADEEP-NATURAL RESOURCES : OUR ENVIRONMENT-QUESTIONS WITH ANSWERS
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  6. Give reasons for the followign : (i) Fossil fuels are termed non-ren...

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  7. Increased loading of nutrients in the water body results in algal bloo...

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  8. (I) Why are environmentalists concerned about Taj Mahal, The heritage ...

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  9. (i) What is somg ? Is it a primary or secondaryy pollutant ? (ii) Wh...

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  10. (i) List atleast three ways in which CFCs are being commercially used ...

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  11. Recently, there was an editorial in the newspaper about 'Rhinoceros in...

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  12. Why do people use marble in conrble in construction of residences ? Al...

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  13. How do solar radiation influence physical weathering of rocks ?

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  14. What is 'capillary water' and 'hydroscopic water ' ? Can plants draw t...

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  15. During summer, if you go near the lake, you feel relief from the heat ...

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  16. Why is majority of fres water not available to us for use ?

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  17. What is a green house ? Why is air warmer in green that outside ?

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  18. What is ozone hole ? Where ae it first discovered and when ?

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  19. (a) How is do microorganisms utilize atmospheric and fix it to form am...

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  20. How is industrial nitrogen fixation different from biological nitrogen...

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